{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03985_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Detroit, Michigan | 1897 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"117"},{"label":"placed","value":"106"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 59, georef-snap 38, georef-street 5, snap:0 4"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p0__2 (tier 4, 42.35694,-83.05010 +/-2503m); p107 (tier 3, 42.37710,-83.05053 +/-507m); p108 (tier 2, 42.37524,-83.04691 +/-100m); p111__1 (tier 1, 42.37391,-83.06135 +/-212m); p45__1 (tier 1, 42.35464,-83.05694 +/-100m); p45__2 (tier 1, 42.35537,-83.05832 +/-254m); p47__1 (tier 1, 42.35724,-83.05269 +/-100m); p91 (tier 1, 42.37187,-83.06477 +/-256m); p96 (tier 1, 42.37234,-83.05523 +/-256m); p97 (tier 2, 42.36894,-83.05546 +/-100m); p99 (tier 1, 42.37584,-83.05387 +/-256m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0000__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p0 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6340.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0000__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0000/info.json","type":"ImageService2","height":7796,"width":6340},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 2853.2,7796.0 2829.6,5536.4 3467.2,5026.0 4236.2,5018.6 4215.4,3699.9 3708.2,3735.0 3832.5,3599.8 3761.0,3445.1 4223.3,3408.4 4241.0,0.0 283.1,0.0 388.0,3802.0 -0.0,3790.6 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0000__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0612443347086,42.35209518802323]}},{"type":"Feature","properties":{"resourceCoords":[6340.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05772163591871,42.353307851532136]}},{"type":"Feature","properties":{"resourceCoords":[6340.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05570507197757,42.350104762817665]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05922777076746,42.348892099308756]}},{"type":"Feature","properties":{"resourceCoords":[388.0,3800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0600453,42.3506073]}},{"type":"Feature","properties":{"resourceCoords":[388.0,3800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0600453,42.3506073]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0001/info.json","type":"ImageService2","height":7796,"width":6552},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,-0.0 1634.3,0.0 1617.0,936.5 1851.6,942.4 1786.3,1227.8 3239.8,1559.2 4520.7,1207.3 6086.2,6051.2 6552.0,6121.8 6552.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05070724363135,42.33479020003715]}},{"type":"Feature","properties":{"resourceCoords":[6552.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04782907542706,42.336825655533175]}},{"type":"Feature","properties":{"resourceCoords":[6552.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04457574090051,42.33427621466411]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0474539091048,42.33224075916808]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0010/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5958.2,1727.9 6460.0,2478.2 6460.0,4276.3 5411.5,4310.3 5408.2,7796.0 -0.0,7796.0 -0.0,1801.3 5360.3,1509.7 5355.5,1411.8 5649.5,1850.6 5958.2,1727.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04239738722296,42.34219684910643]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04067630580803,42.33956395180164]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04494494961337,42.338017899993936]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0466660310283,42.34065079729873]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0100/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p100","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0100/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0100/info.json","type":"ImageService2","height":7796,"width":6652},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"172.6,7796.0 190.8,5691.0 193.4,5640.6 194.0,5547.8 -0.0,5546.4 -0.0,1802.7 222.5,1814.5 225.8,1377.5 2280.4,1392.2 3206.6,909.8 4170.0,1336.6 6652.0,1379.2 6652.0,7796.0 172.6,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0100/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05086400630753,42.37559297283654]}},{"type":"Feature","properties":{"resourceCoords":[6652.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04902473269577,42.37290248624156]}},{"type":"Feature","properties":{"resourceCoords":[6652.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05328895205948,42.371308528459295]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05512822567124,42.37399901505428]}},{"type":"Feature","properties":{"resourceCoords":[6392.0,3016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0507463,42.372391]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0101/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p101","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0101/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0101/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1924.5,2333.7 1099.3,2325.2 894.1,559.0 5032.7,551.0 5030.9,2329.5 5805.7,2321.7 5808.0,3168.0 6536.0,3171.7 6536.0,7400.5 4684.7,7432.5 4691.2,7796.0 1078.6,7796.0 1023.7,3143.8 1999.5,3148.7 1924.5,2333.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0101/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[784.0,4776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0507463,42.372391]}},{"type":"Feature","properties":{"resourceCoords":[5808.0,3168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0484937,42.3706621]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0102/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p102","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0102/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0102/info.json","type":"ImageService2","height":7796,"width":6652},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5872.0,376.0 5871.1,7317.8 1511.0,7397.6 1506.8,3166.5 778.4,3163.6 775.2,2316.8 -0.0,2325.4 -0.0,376.4 5872.0,376.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0102/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[768.0,376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.046956,42.371224]}},{"type":"Feature","properties":{"resourceCoords":[5872.0,376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.045574,42.36914]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0103/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p103","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0103/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0103/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"806.9,2010.9 -0.0,2069.6 -0.0,-0.0 6536.0,-0.0 6536.0,7630.0 5098.2,7626.4 5097.7,7796.0 947.1,7796.0 761.9,6598.5 806.9,2010.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0103/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5868.0,7628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.046956,42.371224]}},{"type":"Feature","properties":{"resourceCoords":[824.0,264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0442724,42.3747541]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0104/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p104","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0104/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0104/info.json","type":"ImageService2","height":7796,"width":6676},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1488.9,7599.9 1483.0,-0.0 5976.9,19.5 5977.2,7609.5 1488.9,7599.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0104/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3396.0,7604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.046265,42.370182]}},{"type":"Feature","properties":{"resourceCoords":[3396.0,184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.042215,42.371656]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0105/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p105","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0105/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0105/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1647.3,3358.4 1235.3,2382.1 1418.6,304.6 976.8,265.7 1007.0,41.6 6536.0,0.0 6467.9,4293.3 6536.0,4302.7 6536.0,7016.7 4754.2,6838.2 3525.4,6916.3 3525.4,6916.3 1713.9,6959.5 1628.0,7796.0 794.0,7796.0 1136.7,4298.4 1647.3,3358.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0105/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3708.0,6912.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.048293,42.373236]}},{"type":"Feature","properties":{"resourceCoords":[880.0,6912.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0497511,42.3725778]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0106/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p106","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0106/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0106/info.json","type":"ImageService2","height":7796,"width":6640},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6640.0,7057.0 276.3,6494.5 0.0,-0.0 6640.0,0.0 6640.0,7057.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0106/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04776312407823,42.37495373711378]}},{"type":"Feature","properties":{"resourceCoords":[6640.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04621321647807,42.37563580132796]}},{"type":"Feature","properties":{"resourceCoords":[6640.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0451367945586,42.374281996553975]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04668670215877,42.37359993233979]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0109/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p109","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0109/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0109/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 0.0,-0.0 6536.0,0.0 6536.0,4551.5 5238.7,4537.9 5229.3,6271.7 519.2,6236.9 509.1,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0109/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.07410258046886,42.37083946570838]}},{"type":"Feature","properties":{"resourceCoords":[6536.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.07053417785603,42.37218277057229]}},{"type":"Feature","properties":{"resourceCoords":[6536.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06838066326077,42.369015973824176]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0719490658736,42.36767266896027]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0011/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7545.5 -0.0,5619.4 713.5,5587.7 689.3,-0.0 6524.0,-0.0 6524.0,263.3 6524.0,263.3 6524.0,7796.0 645.6,7796.0 -0.0,7545.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04065384788471,42.34692832359848]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03891361366571,42.344219075725256]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04326319168217,42.34267123925117]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04500342590117,42.345380487124395]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0110/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p110","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0110/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0110/info.json","type":"ImageService2","height":7796,"width":6696},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1305.2,4537.5 1280.8,0.0 6696.0,0.0 6696.0,1870.7 6013.6,1874.1 6012.2,4786.7 6696.0,4795.0 6656.3,4853.8 6012.2,4853.0 6010.7,7796.0 3787.8,7796.0 3795.6,6275.2 -0.0,6290.0 -0.0,4538.2 1305.2,4537.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0110/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3800.0,4536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.067916,42.370833]}},{"type":"Feature","properties":{"resourceCoords":[6012.0,4536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.066709,42.371275]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0111__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p111 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3280.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3275.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0111__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0111/info.json","type":"ImageService2","height":7796,"width":6556},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6556.0,362.9 6257.2,367.3 6261.6,-0.0 3280.4,0.0 3292.9,6593.1 3667.2,6586.5 3678.7,7263.6 6556.0,7214.7 6556.0,362.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0111__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[3280.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0635159564876,42.37393918305425]}},{"type":"Feature","properties":{"resourceCoords":[6556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06265096260142,42.372591167156095]}},{"type":"Feature","properties":{"resourceCoords":[6556.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0669627667681,42.37105970983295]}},{"type":"Feature","properties":{"resourceCoords":[3280.4,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06782776065428,42.3724077257311]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p12","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"8"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0012/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6596.0,6501.4 6176.3,6479.7 6596.0,7182.9 6596.0,7796.0 -0.0,7796.0 -0.0,6831.1 549.3,6864.6 920.5,181.0 1981.5,248.0 1828.3,-0.0 2179.6,-0.0 2303.8,169.3 2314.0,-0.0 6596.0,-0.0 6596.0,6501.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4200.0,3488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0399741,42.341865]}},{"type":"Feature","properties":{"resourceCoords":[1980.0,248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0387442,42.3436717]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0013/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0013/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,-0.0 5221.8,26.6 5640.1,7614.6 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05615182396387,42.3435365665296]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05269996994731,42.34493701836626]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05045168251883,42.341866692141494]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05390353653539,42.340466240304835]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0014/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0014/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"535.3,7796.0 103.1,0.0 6512.9,0.0 6191.4,7796.0 535.3,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05349205585928,42.34470619949624]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04997080157912,42.34612560836751]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04771691121441,42.343027800466594]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05123816549457,42.34160839159532]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0015/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0015/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5565.9,5860.1 5615.2,7129.3 6524.0,7094.0 6524.0,7796.0 -0.0,7796.0 -0.0,6647.6 1350.5,6661.7 1358.8,5869.5 985.5,5868.4 752.2,1924.4 5437.6,1872.4 5661.1,5859.5 5565.9,5860.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05382232185742,42.347186639000796]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05208902565776,42.344583838362915]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05626772580767,42.34304217966764]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05800102200733,42.34564498030552]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p16","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0016/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0016/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5339.0,7028.5 -0.0,7128.1 -0.0,2870.0 1310.9,2856.4 1300.0,664.0 5004.9,660.2 5339.0,7028.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4316.0,664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0501992,42.3463876]}},{"type":"Feature","properties":{"resourceCoords":[1300.0,664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0509958,42.3476161]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0017/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0017/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1121.3,7391.0 1127.8,5903.9 -0.0,5915.6 -0.0,1908.2 1059.7,1910.4 1980.6,1901.6 1981.7,378.1 5820.2,400.7 5703.8,7407.6 1121.3,7391.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04771567403533,42.350145222702714]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04598155937605,42.347523457932496]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05019090307411,42.345981143576005]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0519250177334,42.34860290834622]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0018/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0018/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6596.0,7341.1 518.1,7439.4 506.7,545.0 6347.3,472.8 6596.0,567.7 6596.0,7341.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04621505498577,42.34804130804628]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04449943204821,42.34532313715752]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04881577698393,42.343813874508356]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05053139992148,42.34653204539711]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p19","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0019/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0019/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7525.2 -0.0,2684.9 1494.0,2782.8 1529.0,222.5 5302.7,113.4 5299.8,7633.6 -0.0,7525.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0437555,42.3513678]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0419674,42.3487895]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0461363,42.3472103]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0479244,42.3497886]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p20","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0020/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0020/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6596.0,5440.2 5900.1,5455.3 5957.3,7361.0 445.9,7267.7 392.3,185.6 6596.0,203.8 6596.0,5440.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0020/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0423694,42.3494538]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0404796,42.3466746]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0449241,42.3450238]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0468139,42.347803]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0021/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0021/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6369.2,865.5 6251.0,6954.1 537.8,6891.2 429.2,824.6 6369.2,865.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0021/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04360001491348,42.35056893371025]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04014074883351,42.351872897971965]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03804712923154,42.34879632204607]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04150639531152,42.347492357784354]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p22","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0022/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0022/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"326.2,7796.0 290.4,1783.6 6425.0,1667.7 6521.9,7796.0 326.2,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[272.0,3816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0392822,42.3503731]}},{"type":"Feature","properties":{"resourceCoords":[6416.0,996.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.036615,42.352725]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0023/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0023/info.json","type":"ImageService2","height":7796,"width":6404},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4085.1,6535.1 4010.9,6735.9 670.1,6687.9 728.0,961.6 5896.2,1007.5 5847.7,5028.2 5158.6,5039.6 5117.8,6557.8 4085.1,6535.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03810381380498,42.34955220414865]}},{"type":"Feature","properties":{"resourceCoords":[6404.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03639098612338,42.34702954095614]}},{"type":"Feature","properties":{"resourceCoords":[6404.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.040517084905,42.345477603063905]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0422299125866,42.34800026625641]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0024/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0024/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6053.6,6563.7 6229.6,6813.2 5000.5,6816.8 4999.1,6545.1 -0.0,6569.9 -0.0,5067.0 681.3,5037.4 622.3,1058.7 1278.2,1039.8 1308.2,531.6 1578.1,174.4 2006.6,723.0 1901.0,-0.0 6596.0,-0.0 6596.0,6697.4 6440.9,6510.7 6053.6,6563.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03664544917643,42.347481550490556]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0349583084654,42.344821033486795]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03918306522537,42.34333681443677]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0408702059364,42.34599733144053]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0025/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0025/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6540.0,6936.4 6162.6,6362.9 5868.8,6692.4 5798.8,7189.6 912.3,6889.4 1421.9,670.9 2686.5,694.6 2628.1,-0.0 6540.0,-0.0 6540.0,6936.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0025/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03485190987894,42.35066255997014]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03287044585032,42.34809867262291]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03697682455626,42.34634069113799]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03895828858488,42.34890457848522]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0026/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0026/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6581.5,7489.1 81.4,6533.1 1061.5,166.8 3838.2,591.9 3930.8,-0.0 6596.0,-0.0 6581.5,7489.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03295366674716,42.353873393314714]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03063689984823,42.351395317814685]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03457234000614,42.34935740346411]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03688910690506,42.35183547896414]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0027/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0027/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,1852.7 707.8,1839.7 682.4,0.0 4506.0,0.0 4518.8,798.9 6540.0,657.8 6540.0,4840.4 6540.0,6235.7 4663.2,6225.3 4667.2,7156.7 778.8,7427.6 781.4,7784.6 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0027/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05908925444113,42.34849913446087]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0555178426647,42.349782260946036]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05346278888757,42.346613610231174]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.057034200664,42.34533048374601]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0028/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0028/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1572.4,733.8 1632.2,1338.5 5313.3,1222.4 5343.6,2039.4 5773.2,2892.7 5954.9,7480.5 3766.6,7546.3 3713.1,6244.0 1323.7,6304.0 1154.0,772.6 1572.4,733.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0028/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05618092528697,42.349622365659876]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0524982131883,42.35084327552066]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05055937658699,42.3476036670402]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05424208868565,42.34638275717941]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p29","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0029/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0029/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1101.3,1757.8 5305.8,5201.1 5299.2,6017.4 1454.2,7796.0 -0.0,7796.0 -0.0,1806.4 1101.3,1757.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0029/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0611501,42.3507094]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0576142,42.35204]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0554681,42.348925]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.059004,42.3475944]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6340.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0002/info.json","type":"ImageService2","height":7796,"width":6340},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1779.5,2985.7 2992.2,3008.6 3082.3,7639.4 3287.2,7796.0 6340.0,7766.6 6340.0,7488.3 4636.7,7489.3 4805.5,5532.9 5429.6,4620.1 6220.2,4168.2 6340.0,3984.0 6340.0,3240.3 5701.2,2157.1 6340.0,1783.9 6340.0,187.0 6010.6,0.0 1998.2,0.0 596.2,2321.9 1779.5,2985.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4636.0,7488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0450794,42.3354037]}},{"type":"Feature","properties":{"resourceCoords":[4100.0,408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.049355,42.336911]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p2 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1118.0"},{"label":"split_canvas_h","value":"2600.0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0002/info.json","type":"ImageService2","height":7796,"width":6340},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"851.3,0.0 -0.0,-0.0 -0.0,2600.0 254.8,2535.9 851.3,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05067821111979,42.33585808848285]}},{"type":"Feature","properties":{"resourceCoords":[1118.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0501703524399,42.33619958047243]}},{"type":"Feature","properties":{"resourceCoords":[1118.0,2600.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0490982779511,42.33532779608063]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2600.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04960613663098,42.334986304091046]}},{"type":"Feature","properties":{"resourceCoords":[758.6,296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0502109,42.33599]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0003/info.json","type":"ImageService2","height":7796,"width":6556},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2456.4 954.2,2434.7 912.7,869.7 6556.0,399.9 6556.0,5176.4 6027.1,5219.2 6140.2,6298.7 5937.4,6750.4 4933.9,5315.6 4520.3,5352.1 980.6,7796.0 -0.0,7796.0 -0.0,2456.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05282906435596,42.33914006498731]}},{"type":"Feature","properties":{"resourceCoords":[6556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04923129351478,42.34040948285574]}},{"type":"Feature","properties":{"resourceCoords":[6556.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04720346002905,42.337224760433166]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05080123087023,42.33595534256474]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p30","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"2"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0030/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0030/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3171.4,902.5 6596.0,1041.2 6596.0,4730.6 5987.4,4763.7 6152.0,7188.0 445.9,7194.6 472.1,7702.7 339.0,7575.9 182.8,7644.8 154.1,7181.4 -0.0,7168.0 -0.0,0.0 3197.0,-0.0 3171.4,902.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[300.0,7188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0579806,42.351442]}},{"type":"Feature","properties":{"resourceCoords":[6152.0,7188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.056411,42.349061]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p31","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0031/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0031/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1011.3,7525.2 -0.0,7353.4 -0.0,296.2 3817.4,442.8 3839.0,-0.0 4793.4,-0.0 4312.8,7521.1 4084.1,7678.5 1011.3,7525.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0031/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04975442300773,42.35312776914701]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04779042159153,42.35048930492745]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05201648894335,42.34874691739169]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05398049035955,42.35138538161125]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p32","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0032/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0032/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5760.7,5916.7 5755.4,7371.6 2684.0,7354.8 2040.1,7576.1 2155.6,468.6 6596.0,514.6 6596.0,2005.1 4649.9,2001.9 4652.6,5922.7 5760.7,5916.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4084.0,4328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0501847,42.3495289]}},{"type":"Feature","properties":{"resourceCoords":[4084.0,7388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.051874,42.348911]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p33","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0033/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0033/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"502.3,7796.0 499.1,7450.7 -0.0,7448.5 -0.0,75.4 439.0,75.7 442.4,785.0 1623.8,779.2 1624.0,254.0 6540.0,327.3 6540.0,7433.8 2687.8,7452.6 2704.7,7796.0 502.3,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1624.0,2788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0476234,42.3544424]}},{"type":"Feature","properties":{"resourceCoords":[1624.0,256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.04622,42.354956]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p34","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0034/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0034/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2064.9,7064.1 1080.3,7112.1 1081.6,259.6 6596.0,266.2 6596.0,2827.3 5106.9,2758.1 5172.8,7598.6 2068.0,7559.9 2064.9,7064.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0034/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04505897538625,42.35341360617508]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04331211994554,42.35077094048408]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04750892671835,42.34923433426661]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04925578215907,42.35187699995761]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p35","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0035/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0035/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6192.5,6956.7 491.2,7071.8 361.5,1549.8 3446.9,1329.3 3378.3,1067.4 6540.0,912.9 6540.0,1210.6 6104.7,1274.5 6192.5,6956.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6116.0,2536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.041212,42.353314]}},{"type":"Feature","properties":{"resourceCoords":[3456.0,3372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.042478,42.352444]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p36","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"4"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0036/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0036/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"238.3,7796.0 266.7,1329.8 708.8,1272.6 714.0,971.0 6448.4,1004.3 6397.2,7796.0 238.3,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[256.0,2608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.041212,42.353314]}},{"type":"Feature","properties":{"resourceCoords":[256.0,7088.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0399904,42.3515004]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p37","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0037/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0037/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"401.6,7214.7 519.1,1541.8 -0.0,1539.3 -0.0,371.5 700.9,371.6 703.0,0.0 6540.0,0.0 6540.0,6724.8 3401.6,6796.6 3464.3,7057.5 401.6,7214.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0037/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6100.0,7056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0415547,42.3538336]}},{"type":"Feature","properties":{"resourceCoords":[408.0,7056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.044738,42.3526545]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p38","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0038/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0038/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"628.6,7139.6 565.9,779.5 1330.0,769.0 1319.9,0.0 6314.1,0.0 6318.3,7113.3 628.6,7139.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0038/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6316.0,3856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.03914,42.356543]}},{"type":"Feature","properties":{"resourceCoords":[6316.0,5488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.038698,42.355875]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p39","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0039/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0039/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5751.7,765.5 5766.6,7231.2 867.1,7226.0 617.5,5385.9 610.0,763.2 5751.7,765.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2488.0,4428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.03804,42.357769]}},{"type":"Feature","properties":{"resourceCoords":[5756.0,4428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.037157,42.356439]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0004/info.json","type":"ImageService2","height":7796,"width":6340},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2436.8,7359.4 240.3,6401.1 794.7,5169.0 672.9,4051.4 1218.4,4001.6 1200.6,0.0 5374.8,0.0 5516.3,7304.5 2436.8,7359.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3608.0,3784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.046662,42.33882]}},{"type":"Feature","properties":{"resourceCoords":[2020.0,7356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0466229,42.3371176]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p40","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0040/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0040/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5766.1,728.5 5781.1,7236.2 851.7,7230.2 836.0,724.0 5766.1,728.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0040/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2488.0,4408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.036714,42.355773]}},{"type":"Feature","properties":{"resourceCoords":[836.0,724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.035141,42.357172]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p41","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0041/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0041/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5521.1,7148.3 1221.4,7146.5 1202.3,657.3 5504.0,660.0 5521.1,7148.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0041/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2692.0,660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.033421,42.354572]}},{"type":"Feature","properties":{"resourceCoords":[5504.0,660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.032665,42.353431]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p42","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0042/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0042/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1260.4,7796.0 1271.1,740.7 4920.0,732.0 4920.5,0.0 6596.0,0.0 6596.0,7796.0 1260.4,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0042/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1268.0,2212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.033421,42.354572]}},{"type":"Feature","properties":{"resourceCoords":[4920.0,732.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.031794,42.355915]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0043/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p43","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0043/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0043/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5754.2,-0.0 5706.8,7796.0 -0.0,7796.0 -0.0,5625.8 628.3,5665.8 695.0,1666.6 692.0,1516.6 -0.0,1461.9 0.0,0.0 5754.2,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0043/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06018071171917,42.35629910879975]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05815217682988,42.353714975274286]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06229135136144,42.35191539237667]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06431988625073,42.354499525902135]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p44","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0044/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0044/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"696.1,7796.0 614.0,-0.0 615.0,-0.0 648.7,1737.7 2378.5,1814.2 2063.9,5795.1 5889.1,5972.0 5846.7,6362.1 6596.0,6417.6 6596.0,7796.0 696.1,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0044/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05864007894495,42.35424015799979]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05668263640364,42.35164851046576]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06079847086602,42.34992668380877]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06275591340733,42.3525183313428]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p46","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0046/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0046/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4438.8,7165.9 612.6,7092.2 527.8,5245.6 -0.0,5265.2 -0.0,1247.6 492.1,1259.6 531.0,-0.0 6596.0,-0.0 6596.0,131.6 5868.0,105.9 5614.0,7306.7 4438.8,7165.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0046/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0557251,42.3553439]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0538387,42.3527218]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0580324,42.3510742]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0599188,42.3536963]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0047__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p47 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6540.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0047__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0047/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,208.4 0.0,6416.0 0.0,6920.8 1601.6,7216.0 1907.6,7396.8 2244.0,7796.0 2679.2,7796.0 3406.0,7796.0 3432.0,7796.0 5782.1,7796.0 5866.7,275.0 -0.0,208.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0047__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05359891389362,42.35881637041129]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05178820098993,42.35617208421687]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05605096858032,42.35457600455668]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05786168148401,42.357220290751094]}},{"type":"Feature","properties":{"resourceCoords":[5820.0,4312.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0543453,42.3555804]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p48","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0048/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0048/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6596.0,328.7 6578.7,6399.9 554.1,6521.6 624.7,251.0 6596.0,328.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0048/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05216069783418,42.3566919846706]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05033448035516,42.35402505627024]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05459724794555,42.35242897661004]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05642346542457,42.3550959050104]}},{"type":"Feature","properties":{"resourceCoords":[576.0,4288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0543453,42.3555804]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p49","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0049/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0049/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5806.7,7596.1 -0.0,7590.7 -0.0,5640.0 621.6,5650.2 634.6,183.9 5860.7,207.0 5806.7,7596.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0049/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04958389127036,42.36022884942072]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04783475783971,42.35760572488173]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05203665492758,42.35605410761692]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05378578835823,42.35867723215591]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0005/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4760.4,5038.0 4509.8,5209.4 5559.7,6743.1 3693.5,7796.0 2486.8,7796.0 1592.9,7362.2 678.6,7796.0 1055.7,6808.4 1051.6,1859.6 882.9,1085.1 543.8,513.1 1299.2,517.0 1714.0,1125.0 1711.3,-0.0 6444.0,-0.0 6444.0,7370.4 4760.4,5038.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2320.0,3608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0442156,42.3373381]}},{"type":"Feature","properties":{"resourceCoords":[2320.0,5760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0454,42.336915]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p50","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0050/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0050/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"555.9,7560.0 619.6,-0.0 2346.1,-0.0 2543.7,179.3 3816.3,158.7 3410.8,-0.0 6146.6,-0.0 6110.4,7579.8 555.9,7560.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0050/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04821063212287,42.35811524992527]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04644625926714,42.355477124628045]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05063616077233,42.35392522246223]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05240053362806,42.356563347759455]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p51","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0051/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0051/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6934.0 -0.0,2104.0 5789.9,2140.0 5812.0,6936.0 -0.0,6934.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0051/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5812.0,6936.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.048128,42.357837]}},{"type":"Feature","properties":{"resourceCoords":[656.0,6936.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0495133,42.3599377]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p52","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0052/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0052/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2388.2,6831.0 2316.0,6593.9 2305.0,6687.9 605.3,6672.7 675.6,-0.0 6596.0,-0.0 6596.0,768.7 6133.2,767.2 6110.1,6722.1 3353.2,6697.4 3751.8,6856.6 2388.2,6831.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0052/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04456290798863,42.35947706872007]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04273836711262,42.35680951292238]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04700213752294,42.35521489858161]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04882667839895,42.35788245437929]}},{"type":"Feature","properties":{"resourceCoords":[604.0,6824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.048128,42.357837]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p53","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0053/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0053/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"82.8,7796.0 81.3,5692.7 1041.4,5686.7 1027.6,727.0 702.9,729.6 699.3,-0.0 5809.4,-0.0 5845.6,7796.0 82.8,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0053/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04274578382115,42.36274428518812]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0410028999237,42.3600590535357]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04530445408453,42.358513041096]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04704733798198,42.361198272748425]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0054/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p54","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0054/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0054/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"448.0,669.1 5606.1,707.1 5563.5,5730.5 416.5,5757.7 448.0,669.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0054/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04133270948302,42.36053811554257]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03952720922031,42.35786348525325]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04380228736339,42.35628551204967]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0456077876261,42.358960142338994]}},{"type":"Feature","properties":{"resourceCoords":[420.0,5236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.044089,42.359308]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p55","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0055/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0055/info.json","type":"ImageService2","height":7796,"width":6516},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5796.0,652.0 5806.9,6445.2 656.1,6401.7 644.0,652.0 5796.0,652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0055/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[644.0,652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.039406,42.363605]}},{"type":"Feature","properties":{"resourceCoords":[5796.0,652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.03802,42.361515]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p56","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0056/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0056/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"592.0,688.0 6096.2,722.2 6078.5,5326.3 6317.2,7160.3 565.8,7124.6 592.0,688.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0056/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6084.0,4368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.038543,42.358531]}},{"type":"Feature","properties":{"resourceCoords":[592.0,688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.03802,42.361515]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p57","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0057/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0057/info.json","type":"ImageService2","height":7796,"width":6516},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5775.7,2074.2 5776.0,5772.0 644.0,5772.0 638.3,2075.2 1109.1,2074.8 1109.7,818.7 -0.0,818.2 -0.0,0.0 6516.0,-0.0 6516.0,2074.2 5775.7,2074.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0057/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5776.0,5772.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.03802,42.361515]}},{"type":"Feature","properties":{"resourceCoords":[644.0,5772.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.039406,42.363605]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p58","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0058/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0058/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6096.8,1971.7 6062.4,5671.1 534.1,5607.9 577.3,1905.6 720.1,1907.2 1318.2,1913.8 1340.7,-0.0 6116.9,-0.0 6114.7,206.4 6596.0,212.7 6596.0,1980.3 6096.8,1971.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0058/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.035098495697,42.36287548806577]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03327823600269,42.36020633349964]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03754456185405,42.35861546083099]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03936482154836,42.36128461539712]}},{"type":"Feature","properties":{"resourceCoords":[4488.0,5652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.036953,42.359906]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p59","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0059/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0059/info.json","type":"ImageService2","height":7796,"width":6516},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6516.0,247.3 6516.0,5736.1 649.5,5741.1 658.9,2022.3 1158.8,2025.0 1146.9,248.4 664.9,247.7 665.6,57.8 665.9,-0.0 5814.9,-0.0 5814.6,245.8 6516.0,247.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0059/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03356765315017,42.360678868538905]}},{"type":"Feature","properties":{"resourceCoords":[6516.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03181391800648,42.358030104328364]}},{"type":"Feature","properties":{"resourceCoords":[6516.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03607254530799,42.35646868633272]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03782628045168,42.35911745054326]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p6","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0006/info.json","type":"ImageService2","height":7796,"width":6340},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3359.1,-0.0 6340.0,-0.0 6340.0,4898.2 5658.8,7796.0 3986.5,7796.0 3359.1,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3980.0,4312.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0433157,42.3391365]}},{"type":"Feature","properties":{"resourceCoords":[3980.0,7432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0450131,42.3385263]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p60","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0060/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0060/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1585.9,5770.6 -0.0,2093.6 0.0,-0.0 6596.0,-0.0 6596.0,342.6 6596.0,342.6 5764.6,5774.2 1585.9,5770.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0060/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4132.0,5772.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.03426,42.355843]}},{"type":"Feature","properties":{"resourceCoords":[872.0,5772.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.035141,42.357172]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p61","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0061/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0061/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"96.5,1480.7 915.6,1466.3 1010.5,0.0 5598.9,0.0 5625.5,1202.3 6508.0,1182.9 6508.0,2511.7 5656.6,2579.4 6399.5,7796.0 6196.7,7796.0 6168.8,6584.5 4701.5,6618.2 4662.5,7314.1 496.5,7345.9 522.2,6714.3 -0.0,6726.3 96.5,1480.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0061/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06543963334074,42.35756237886836]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06195269315825,42.35899940247967]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05963951039152,42.35589093000967]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06312645057402,42.35445390639836]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p62","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0062/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0062/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"840.8,2451.7 1025.5,1150.4 5837.0,1696.3 5704.6,2383.8 5253.6,2331.6 5179.7,2731.5 6596.0,2974.4 6596.0,7466.1 4124.5,7029.6 3988.7,7796.0 -0.0,7796.0 -0.0,2405.0 840.8,2451.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0062/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3536.0,2220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.059951,42.358828]}},{"type":"Feature","properties":{"resourceCoords":[5732.0,2220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0588585,42.3594339]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p63","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0063/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0063/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3078.7,7796.0 570.5,7796.0 569.6,7384.3 563.4,7294.3 -0.0,7290.3 -0.0,427.2 3413.2,430.1 3652.8,327.3 5991.1,420.8 5945.8,4302.8 5189.1,4347.0 5182.5,4678.4 5339.0,4678.8 5551.1,4677.0 5951.5,4649.2 5971.7,7796.0 5561.4,7796.0 5533.1,7337.0 3313.6,7319.7 3078.7,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0063/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0563050295167,42.36312375723217]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05451822911049,42.36046697681221]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05879515642903,42.358874223903655]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06058195683524,42.36153100432361]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p64","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0064/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0064/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4746.7 -0.0,4417.7 750.0,4358.9 718.5,506.1 5107.0,483.6 5216.8,5471.9 805.6,6380.1 762.5,4702.6 -0.0,4746.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0064/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05479937295988,42.360990452048924]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0530474686478,42.358250819695364]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0573987819393,42.35670995437223]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05915068625137,42.35944958672579]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0065/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p65","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0065/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0065/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3633.0,7462.9 3392.4,7566.6 -0.0,7570.9 -0.0,194.1 5309.9,217.1 5235.0,7523.4 3633.0,7462.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0065/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0523702,42.3645364]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0506037,42.3618961]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0548842,42.360332500000005]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0566507,42.3629728]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0066/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p66","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0066/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0066/info.json","type":"ImageService2","height":7796,"width":6596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2325.4,7501.3 -0.0,7579.5 -0.0,237.8 5869.1,250.1 5934.6,5652.5 5320.2,5651.3 5348.2,7579.2 2752.9,7603.2 2325.4,7501.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0066/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05091753708274,42.3623850985298]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04918502144945,42.35968954552913]}},{"type":"Feature","properties":{"resourceCoords":[6596.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05346642709988,42.35816576988822]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05519894273317,42.36086132288889]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p67","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0067/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0067/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1898.4,2124.6 6508.0,2115.6 6508.0,6826.5 217.6,6803.2 298.3,1865.0 1898.4,2124.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0067/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[232.0,4936.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0501861,42.3609699]}},{"type":"Feature","properties":{"resourceCoords":[3268.0,556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0497008,42.363364]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p68","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0068/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0068/info.json","type":"ImageService2","height":7796,"width":6616},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6491.4,7796.0 1515.7,7796.0 1512.4,6832.8 882.8,6831.5 849.1,2126.3 6472.2,2176.0 6491.4,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0068/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04852148509626,42.364073848689436]}},{"type":"Feature","properties":{"resourceCoords":[6616.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04488762853174,42.36538921556961]}},{"type":"Feature","properties":{"resourceCoords":[6616.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0428046228718,42.362202987193065]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04643847943632,42.360887620312894]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p69","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0069/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0069/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"467.2,7380.7 459.1,418.5 6508.0,397.4 6508.0,7360.5 467.2,7380.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0069/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3304.0,2188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0427962,42.3649683]}},{"type":"Feature","properties":{"resourceCoords":[3304.0,7368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0414134,42.3628757]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0007/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,1850.1 5514.1,1481.8 5777.9,5921.3 1032.0,6211.8 1038.1,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05432828922956,42.34123469846627]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05087197931304,42.34252640658167]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04877260312354,42.339413834658174]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05222891304005,42.33812212654278]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p70","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0070/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0070/info.json","type":"ImageService2","height":7796,"width":6616},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1186.9,7334.2 1193.5,422.7 5357.1,411.9 5356.6,0.0 6616.0,0.0 6616.0,7796.0 5358.2,7796.0 5357.6,7324.6 1186.9,7334.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0070/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1656.0,7332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.039406,42.363605]}},{"type":"Feature","properties":{"resourceCoords":[1656.0,424.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.041268,42.366416]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0071/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p71","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0071/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0071/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"820.7,7796.0 -0.0,7796.0 -0.0,-0.0 913.2,0.0 912.3,1370.7 1183.6,1371.7 1215.2,885.0 5215.7,909.6 5273.4,0.0 5509.2,0.0 5537.5,6410.0 941.7,6329.0 820.7,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0071/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06733095080203,42.360065391050185]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06388463730413,42.361545330088425]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06150227152204,42.358473206117836]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06494858501995,42.356993267079595]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0072/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p72","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0072/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0072/info.json","type":"ImageService2","height":7796,"width":6616},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 6398.8,0.0 6616.0,1272.4 6616.0,2958.3 5484.2,6095.3 5802.6,6059.4 5956.2,6271.1 5846.9,7796.0 -0.0,7796.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0072/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06445263157657,42.36136806679738]}},{"type":"Feature","properties":{"resourceCoords":[6616.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06098236588326,42.36287346131645]}},{"type":"Feature","properties":{"resourceCoords":[6616.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05859853480953,42.35983054332102]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06206880050284,42.35832514880195]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0073/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p73","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0073/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0073/info.json","type":"ImageService2","height":7796,"width":6492},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5467.0,1299.4 5206.1,5394.6 4398.8,5531.0 4341.2,6452.4 305.3,6454.8 273.7,6947.8 -0.0,6948.6 0.0,-0.0 341.4,0.0 336.8,1160.3 1044.2,1295.9 5467.0,1299.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0073/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4504.0,3876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.064983,42.361932]}},{"type":"Feature","properties":{"resourceCoords":[464.0,3876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0671119,42.361032]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0074/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p74","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0074/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0074/info.json","type":"ImageService2","height":7796,"width":6616},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3603.8,6491.8 5829.9,6489.6 5838.1,7796.0 -0.0,7796.0 -0.0,1555.4 1352.5,1473.5 1264.4,0.0 6616.0,0.0 6616.0,3903.9 5393.3,3902.9 5393.4,5260.7 3603.5,5394.9 3596.9,6276.7 3603.8,6491.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0074/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5836.0,3904.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.061448,42.363357]}},{"type":"Feature","properties":{"resourceCoords":[3616.0,1328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.063344,42.363955]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0075/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p75","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0075/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0075/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4571.6,2469.5 5223.9,2470.9 5185.2,3194.2 6508.0,3112.5 6508.0,6501.2 710.5,6481.3 -0.0,6344.1 54.5,2459.9 521.2,2460.9 568.4,1357.2 4627.3,1311.2 4571.6,2469.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0075/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06989586433808,42.36453680534059]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06648338666747,42.36598652781976]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06414949243641,42.36294478779008]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06756197010704,42.36149506531091]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0076/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p76","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0076/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0076/info.json","type":"ImageService2","height":7796,"width":6616},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 5888.0,0.0 6268.0,1532.4 6616.0,1533.4 6616.0,5199.4 1384.9,5165.2 -0.0,3448.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0076/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3680.0,6480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.063344,42.363955]}},{"type":"Feature","properties":{"resourceCoords":[5852.0,6480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.062139,42.364399]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0077/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p77","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0077/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0077/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6018.2,6657.9 -0.0,6667.5 -0.0,718.6 5858.9,725.4 5859.8,-0.0 6508.0,-0.0 6508.0,627.6 6038.9,758.1 6018.2,6657.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0077/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2464.0,4352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.061159,42.366051]}},{"type":"Feature","properties":{"resourceCoords":[5048.0,7432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.062139,42.364399]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0078/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p78","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0078/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0078/info.json","type":"ImageService2","height":7796,"width":6628},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4127.8,7367.8 2829.9,7364.6 2922.0,7796.0 1589.8,7796.0 1590.9,6596.3 -0.0,6596.2 -0.0,797.8 460.5,668.0 458.4,51.2 5764.3,-0.0 5789.4,6951.2 4128.0,7065.4 4127.8,7367.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0078/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1588.0,4344.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.059775,42.363965]}},{"type":"Feature","properties":{"resourceCoords":[6360.0,7408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0601759,42.3613931]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0079/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p79","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0079/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0079/info.json","type":"ImageService2","height":7796,"width":6568},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,271.4 6524.2,210.7 6568.0,7796.0 746.0,7796.0 747.1,7070.6 -0.0,7069.5 -0.0,271.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0079/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2652.0,2768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0565687,42.3680074]}},{"type":"Feature","properties":{"resourceCoords":[2652.0,232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.055174,42.368516]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0008/info.json","type":"ImageService2","height":7796,"width":6516},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6172.4,1493.1 6273.7,0.0 6516.0,0.0 6516.0,7059.3 1375.3,6655.9 1447.5,5733.2 472.6,5734.5 455.5,1353.4 6172.4,1493.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05159398823128,42.34214703801945]}},{"type":"Feature","properties":{"resourceCoords":[6516.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04820003115914,42.34359602288499]}},{"type":"Feature","properties":{"resourceCoords":[6516.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04587102164332,42.34057342453516]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04926497871546,42.33912443966962]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0080/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p80","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0080/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0080/info.json","type":"ImageService2","height":7796,"width":6628},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6863.7 -0.0,121.0 5913.2,280.2 5740.1,6977.0 -0.0,6863.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0080/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1708.0,2752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.055068,42.365683]}},{"type":"Feature","properties":{"resourceCoords":[4272.0,236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0529304,42.3651773]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0081/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p81","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0081/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0081/info.json","type":"ImageService2","height":7796,"width":6568},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5686.9,7680.0 854.4,7722.5 811.9,441.4 6568.0,380.0 6568.0,4691.7 5675.7,4703.8 5686.9,7680.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0081/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04962162215753,42.36808238213906]}},{"type":"Feature","properties":{"resourceCoords":[6568.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0478881125727,42.365410823797696]}},{"type":"Feature","properties":{"resourceCoords":[6568.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05214988411285,42.36387981347889]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05388339369767,42.36655137182025]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0082/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p82","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0082/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0082/info.json","type":"ImageService2","height":7796,"width":6628},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1391.7,7641.7 1400.0,4692.0 1540.4,4691.9 2367.4,4690.6 2316.2,417.5 6628.0,512.8 6628.0,6233.3 6364.5,7672.0 1391.7,7641.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0082/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1400.0,4692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.050695,42.36485]}},{"type":"Feature","properties":{"resourceCoords":[5056.0,4692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0497008,42.363364]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0083/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p83","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0083/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0083/info.json","type":"ImageService2","height":7796,"width":6568},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6568.0,7796.0 908.7,7796.0 928.1,-0.0 5760.5,-0.0 5760.3,2344.7 6568.0,2349.8 6568.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0083/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5760.0,3188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.04582,42.366623]}},{"type":"Feature","properties":{"resourceCoords":[928.0,356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.045574,42.36914]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0084/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p84","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0084/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0084/info.json","type":"ImageService2","height":7796,"width":6628},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6628.0,3180.4 6628.0,7796.0 2208.9,7716.8 2192.3,2370.0 1399.3,2367.4 1393.6,429.7 5032.9,423.0 5044.0,3192.0 6628.0,3180.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0084/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3300.0,3192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0453,42.365841]}},{"type":"Feature","properties":{"resourceCoords":[5044.0,3192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.044824,42.365122]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0085/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p85","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0085/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0085/info.json","type":"ImageService2","height":7796,"width":6568},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6568.0,3889.0 5636.0,3888.0 5645.5,7198.8 817.7,7210.0 803.1,-0.0 5626.8,-0.0 5627.2,172.8 6568.0,173.3 6568.0,3889.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0085/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3384.0,3888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.042869,42.368831]}},{"type":"Feature","properties":{"resourceCoords":[5636.0,3888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.042264,42.367919]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0086/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p86","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0086/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0086/info.json","type":"ImageService2","height":7796,"width":6628},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5060.0,283.7 5051.5,7573.3 1399.8,7567.2 1399.2,3937.1 1850.6,3938.9 2318.2,3940.6 2328.2,276.8 1400.5,273.7 1400.6,77.4 -0.0,99.5 0.0,0.0 4653.1,-0.0 4652.2,282.9 5060.0,283.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0086/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3304.0,7572.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.04376,42.366402]}},{"type":"Feature","properties":{"resourceCoords":[3304.0,280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.039712,42.367878]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0087/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p87","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0087/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0087/info.json","type":"ImageService2","height":7796,"width":6552},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"271.6,0.0 102.0,2499.6 759.7,2452.6 841.3,1132.2 5470.9,1374.2 5099.6,7796.0 4456.1,7796.0 4508.7,6653.2 504.7,6707.0 485.4,7796.0 -0.0,7796.0 -0.0,-0.0 271.6,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0087/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.07148794817394,42.366676138078084]}},{"type":"Feature","properties":{"resourceCoords":[6552.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06800120106223,42.368150140971174]}},{"type":"Feature","properties":{"resourceCoords":[6552.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06564407920042,42.36506316937645]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06913082631213,42.36358916648336]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0088/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p88","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0088/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0088/info.json","type":"ImageService2","height":7796,"width":6628},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1349.9 3744.0,1328.0 3745.8,0.0 5576.8,0.0 5569.2,5025.1 3733.2,5032.7 3728.2,6461.7 5555.1,6573.7 5556.6,7796.0 -0.0,7796.0 -0.0,1349.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0088/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3744.0,1328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.066112,42.368121]}},{"type":"Feature","properties":{"resourceCoords":[5936.0,3956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.064197,42.367494]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0089/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p89","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0089/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0089/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"667.9,6367.0 663.5,7709.4 -0.0,7796.0 45.2,2940.5 561.6,2935.2 555.7,1353.7 6536.0,1336.8 6536.0,6333.9 667.9,6367.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0089/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.07275812290892,42.36884724524912]}},{"type":"Feature","properties":{"resourceCoords":[6536.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06922235181186,42.37014486356521]}},{"type":"Feature","properties":{"resourceCoords":[6536.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06714214221094,42.36700693114797]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.070677913308,42.36570931283188]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p9","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0009/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6444.0,-0.0 6444.0,6808.0 2135.2,7154.6 2158.1,7419.0 1171.8,7435.6 1138.6,-0.0 6444.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2988.0,7408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0481277,42.3432389]}},{"type":"Feature","properties":{"resourceCoords":[4560.0,7408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.047762,42.3426609]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0090/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p90","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0090/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0090/info.json","type":"ImageService2","height":7796,"width":6652},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1064.6,1445.1 5992.4,0.0 6652.0,0.0 6652.0,5097.5 3725.9,6513.3 1056.5,6517.8 1064.6,1445.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0090/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06981360306591,42.36997046722891]}},{"type":"Feature","properties":{"resourceCoords":[6652.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06627144549842,42.37127561981394]}},{"type":"Feature","properties":{"resourceCoords":[6652.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06421560693822,42.368186894152345]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.06775776450571,42.36688174156731]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0092/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p92","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0092/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0092/info.json","type":"ImageService2","height":7796,"width":6652},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6548.8,7414.4 5129.9,7430.8 5131.9,7796.0 68.0,7796.0 -0.0,496.6 977.1,496.2 977.3,-0.0 6652.0,-0.0 6652.0,7796.0 6548.8,7414.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0092/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4056.0,504.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.060423,42.368865]}},{"type":"Feature","properties":{"resourceCoords":[4056.0,7428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.064197,42.367494]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0093/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p93","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0093/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0093/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"272.0,7560.0 279.6,7191.1 -0.0,7187.2 -0.0,246.4 3409.9,242.9 3408.8,-0.0 5633.5,-0.0 5632.1,245.2 6536.0,244.9 6536.0,7555.5 5564.4,7556.2 5564.5,7796.0 571.6,7796.0 573.6,7559.8 272.0,7560.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0093/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1812.0,244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.058507,42.373474]}},{"type":"Feature","properties":{"resourceCoords":[272.0,7560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.062933,42.372642]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0094/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p94","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0094/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0094/info.json","type":"ImageService2","height":7796,"width":6652},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,292.4 -0.0,0.0 6652.0,-0.0 6652.0,193.3 5773.6,216.6 5826.2,7059.9 942.0,7117.1 902.3,281.8 -0.0,292.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0094/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05731835740234,42.37198377534123]}},{"type":"Feature","properties":{"resourceCoords":[6652.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0555651834863,42.36926979882083]}},{"type":"Feature","properties":{"resourceCoords":[6652.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05984022094076,42.36774107039041]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0615933948568,42.370455046910806]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0095/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p95","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0095/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0095/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6167.6,7665.4 -0.0,7796.0 -0.0,0.0 6164.3,-0.0 6167.6,7665.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0095/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4584.0,1940.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.055349,42.374632]}},{"type":"Feature","properties":{"resourceCoords":[4584.0,7660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.058507,42.373474]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0098/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Detroit, Michigan | 1897 | sanborn03985_006 p98","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-21T08:13:41Z","modified":"2026-09-21T08:13:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0098/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0098/info.json","type":"ImageService2","height":7796,"width":6652},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7595.9 -0.0,0.0 6234.8,-0.0 6110.0,7652.0 -0.0,7595.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114dm:g03985189703:03985_03_1897-0098/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05115552960693,42.370265445115415]}},{"type":"Feature","properties":{"resourceCoords":[6652.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04929374120549,42.367583439386834]}},{"type":"Feature","properties":{"resourceCoords":[6652.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05354451903233,42.365969969758154]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.05540630743377,42.368651975486735]}},{"type":"Feature","properties":{"resourceCoords":[6112.0,7652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0536177,42.3662183]}}]}}]}