{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04057_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Jackson, Michigan | 1907 | 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":"121"},{"label":"placed","value":"92"},{"label":"unplaced","value":"29"},{"label":"fit sources","value":"georef 53, georef-snap 38, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"21 sheet(s) cut into 49 panels"},{"label":"unplaced pages","value":"p0 (tier 1, 42.25526,-84.39241 +/-245m); p18__2 (tier 1, 42.25236,-84.40469 +/-100m); p19__1 (tier 1, 42.25153,-84.40299 +/-100m); p1__3 (tier 1, 42.23057,-84.39735 +/-105m); p23__2 (tier 2, 42.24669,-84.38746 +/-1070m); p32 (tier 1, 42.24844,-84.40440 +/-253m); p42__2 (tier 1, 42.24530,-84.42184 +/-100m); p42__3 (tier 1, 42.24575,-84.41866 +/-100m); p48 (tier 2, 42.24725,-84.40162 +/-104m); p49__1 (tier 2, 42.24733,-84.39858 +/-207m); p52__2 (tier 1, 42.24750,-84.39158 +/-158m); p59__1 (tier 1, 42.24189,-84.42342 +/-124m); p60__2 (tier 1, 42.24395,-84.41777 +/-100m); p65 (tier 1, 42.24694,-84.41014 +/-268m); p66 (tier 2, 42.24642,-84.40063 +/-1464m); p70__2 (tier 1, 42.24459,-84.38676 +/-100m); p73__1 (tier 2, 42.24216,-84.37995 +/-100m); p73__2 (tier 2, 42.24216,-84.37995 +/-100m); p74__1 (tier 3, 42.24094,-84.37919 +/-511m); p75__1 (tier 1, 42.23908,-84.41307 +/-100m); p76__2 (tier 1, 42.24005,-84.41058 +/-100m); p76__3 (tier 1, 42.24190,-84.40906 +/-100m); p76__4 (tier 1, 42.24125,-84.41063 +/-100m); p79 (tier 1, 42.24229,-84.40275 +/-262m); p8 (tier 1, 42.25573,-84.40597 +/-362m); p90 (tier 1, 42.26778,-84.40550 +/-251m); p91__1 (tier 3, 42.21876,-84.38586 +/-511m); p92__1 (tier 4, 42.24794,-84.40179 +/-3439m); p92__2 (tier 4, 42.24794,-84.40179 +/-3439m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0010","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1541.1,1880.8 1258.0,1873.8 1220.7,1872.8 1221.2,1949.0 753.7,1949.0 759.0,1709.8 597.9,1753.5 556.9,1359.2 -0.0,1346.8 -0.0,-0.0 1575.7,-0.0 1541.1,1880.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.3993845727567,42.25761252087831]}},{"type":"Feature","properties":{"resourceCoords":[1603.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39929321373901,42.25469572065741]}},{"type":"Feature","properties":{"resourceCoords":[1603.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40405109226873,42.25461292617626]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40414245128642,42.25752972639716]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p11","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0011","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 1607.0,0.0 1607.0,964.8 584.6,974.0 595.1,1949.0 -0.0,1949.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1015.0,32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.385845,42.256597]}},{"type":"Feature","properties":{"resourceCoords":[1581.0,965.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3843912,42.2548041]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p12 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6412.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0012","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1603.0,668.0 1603.0,0.0 1376.5,0.0 1355.4,0.0 1328.0,0.0 1001.0,0.0 1001.7,881.1 0.0,881.2 -0.0,1012.8 46.3,1013.7 25.8,1872.3 1553.0,1897.8 1551.7,1949.0 1603.0,1949.0 1603.0,668.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1016.0,918.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3758705,42.2566276]}},{"type":"Feature","properties":{"resourceCoords":[510.0,1885.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3770896,42.2548106]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0012__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p12 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4006.8"},{"label":"split_canvas_h","value":"3524.8"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0012__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0012","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"964.7,850.2 968.5,0.0 0.0,-0.0 -0.0,854.5 964.7,850.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[488.9,850.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3795139,42.2548136]}},{"type":"Feature","properties":{"resourceCoords":[964.7,850.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3783061,42.2548152]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p13","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0013","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 53.1,0.0 54.4,190.7 241.0,189.5 240.6,120.6 1500.5,121.7 1522.2,1943.9 -0.0,1949.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1196.0,704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4210429,42.2547477]}},{"type":"Feature","properties":{"resourceCoords":[243.0,704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4233791,42.254749]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p14","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0014","type":"ImageService3","width":1632,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,132.2 1601.6,156.8 1607.4,1949.0 -0.0,1949.0 -0.0,132.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[683.0,723.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4185998,42.2547426]}},{"type":"Feature","properties":{"resourceCoords":[683.0,140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4186158,42.2558036]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0015","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1604.0,31.7 1604.0,1949.0 -0.0,1949.0 -0.0,1247.8 47.8,1246.9 25.1,36.1 1604.0,31.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41639046965672,42.25481248842942]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41245278436647,42.254793258326416]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41248413139753,42.251226767183034]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41642181668779,42.25124599728604]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0016","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"415.5,42.2 414.8,0.0 1385.3,0.0 1384.6,45.2 1579.3,46.1 1580.2,1949.0 113.7,1935.3 135.9,41.3 415.5,42.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.412791623216,42.25481040677802]}},{"type":"Feature","properties":{"resourceCoords":[1603.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40880826578137,42.25482585984569]}},{"type":"Feature","properties":{"resourceCoords":[1603.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40878305998238,42.251215752217185]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.412766417417,42.25120029914952]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0017","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1338.0,303.9 1384.4,1500.4 222.1,1514.9 198.4,313.1 -0.0,315.4 -0.0,-0.0 1335.7,0.0 1337.7,267.3 1338.0,303.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40934171222774,42.25531323626002]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40543202658154,42.2552804290005]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40548550618314,42.25173932582329]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40939519182935,42.25177213308281]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0018__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p18 [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":"4594.8"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0018__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0018","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1058.2,0.0 162.7,0.0 146.9,1600.8 1050.7,1606.2 1058.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0018__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[593.9,306.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4050036,42.2547291]}},{"type":"Feature","properties":{"resourceCoords":[593.9,1613.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4049021,42.2523539]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0019__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p19 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6416.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0019__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0019","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1493.4,1832.5 1477.5,288.6 614.0,81.8 288.1,1568.1 542.6,1848.1 1493.4,1832.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0019__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1290.0,242.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4021925,42.25474]}},{"type":"Feature","properties":{"resourceCoords":[1489.0,1334.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4010821,42.2529091]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1901.2"},{"label":"split_canvas_h","value":"6636.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0001","type":"ImageService3","width":1597,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1278.3 322.2,1579.9 355.3,1627.1 367.8,1630.4 448.6,1652.2 453.6,-0.0 -0.0,-0.0 0.0,1278.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[450.3,1387.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.413127,42.2590072]}},{"type":"Feature","properties":{"resourceCoords":[450.3,525.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.411062,42.2590083]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p1 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"1288.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5100.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0001","type":"ImageService3","width":1597,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"475.3,0.0 473.6,1659.0 367.8,1630.4 355.3,1627.1 322.0,1618.1 322.4,1618.4 384.0,1667.9 434.4,1708.5 448.1,1719.5 440.2,1710.7 628.8,1784.0 722.7,1820.4 671.4,1817.6 670.4,1817.4 536.8,1790.8 507.1,1784.9 529.8,1809.9 610.1,1949.0 671.4,1949.0 763.9,1949.0 915.3,1949.0 973.3,1949.0 1079.4,1949.0 1597.0,1949.0 1570.2,-0.0 475.3,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[686.7,438.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4150074,42.2606731]}},{"type":"Feature","properties":{"resourceCoords":[404.9,1922.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.418671,42.261305]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0002","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1603.0,1868.9 -0.0,1857.4 -0.0,0.0 1603.0,0.0 1603.0,1868.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1341.0,455.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4038779,42.2615572]}},{"type":"Feature","properties":{"resourceCoords":[859.0,455.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4050683,42.261554]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0020__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p20 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6412.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0020__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0020","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"12.4,1949.0 1540.8,1949.0 1565.5,1865.2 960.1,1858.0 1302.8,588.8 1266.3,589.5 1187.9,591.2 1116.1,572.6 996.2,541.6 988.1,574.0 38.2,317.3 12.4,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0020__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[22.0,854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4014074,42.253787]}},{"type":"Feature","properties":{"resourceCoords":[22.0,1353.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4010821,42.2529091]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0020__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p20 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3295.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3116.8"},{"label":"split_canvas_h","value":"2364.8"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0020__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0020","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1603.0,-0.0 823.8,-0.0 826.0,497.7 1116.1,572.6 1187.9,591.2 1266.3,589.5 1603.0,583.2 1603.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0020__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[823.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39717242047848,42.25855722206033]}},{"type":"Feature","properties":{"resourceCoords":[1603.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39334531752891,42.25857568021473]}},{"type":"Feature","properties":{"resourceCoords":[1603.0,591.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39332642716519,42.256428819564405]}},{"type":"Feature","properties":{"resourceCoords":[823.8,591.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39715353011476,42.256410361410005]}},{"type":"Feature","properties":{"resourceCoords":[1119.5,547.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3957026,42.2565772]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p21","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0021","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"246.7,882.9 246.0,95.0 1032.1,100.6 1511.8,1949.0 -0.0,1949.0 -0.0,884.2 246.7,882.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[246.0,784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3956917,42.2547663]}},{"type":"Feature","properties":{"resourceCoords":[246.0,95.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3940093,42.2547712]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0022","type":"ImageService3","width":1620,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 1620.0,0.0 1620.0,1949.0 -0.0,1949.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0022/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.43212410970922,42.25501522695784]}},{"type":"Feature","properties":{"resourceCoords":[1620.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.42819024067482,42.25501351374582]}},{"type":"Feature","properties":{"resourceCoords":[1620.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.42819300581134,42.25148568024464]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.43212687484574,42.25148739345666]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0023__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p23 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6400.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0023__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0023","type":"ImageService3","width":1600,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"695.3,1730.6 707.5,1739.2 695.4,1738.0 697.4,1947.1 1542.3,1949.0 1504.3,29.8 1600.0,0.0 -0.0,0.0 0.0,1028.0 0.0,1276.5 523.4,1609.6 550.5,1628.7 521.2,1629.5 524.6,1630.7 694.3,1629.0 695.3,1730.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0023__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[806.0,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4246375,42.2506213]}},{"type":"Feature","properties":{"resourceCoords":[309.0,1223.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4258624,42.2486417]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0023__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p23 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6518.0"},{"label":"split_canvas_w","value":"2830.0"},{"label":"split_canvas_h","value":"1278.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0023__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0023","type":"ImageService3","width":1600,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"573.0,1949.0 553.4,1723.4 707.5,1739.2 660.1,1705.8 580.9,1650.1 543.8,1637.3 521.2,1629.5 415.8,1632.4 0.0,1710.3 -0.0,1949.0 573.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0023__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1629.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.42663639203163,42.24788519586004]}},{"type":"Feature","properties":{"resourceCoords":[707.5,1629.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.42490836812367,42.24789966680026]}},{"type":"Feature","properties":{"resourceCoords":[707.5,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.4248995941063,42.24731745440453]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.42662761801425,42.247302983464316]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p24","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0024","type":"ImageService3","width":1626,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.1,1949.0 -0.0,1949.0 0.0,0.0 1445.6,19.4 1399.4,1924.5 182.0,1901.8 181.1,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[941.0,785.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.420568,42.249443]}},{"type":"Feature","properties":{"resourceCoords":[304.0,530.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.42214,42.24988]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0025","type":"ImageService3","width":1600,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1903.4 0.0,0.0 1549.3,0.0 1569.9,1831.1 344.6,1874.7 344.8,1901.4 -0.0,1903.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0025/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.4193729939909,42.25084921645391]}},{"type":"Feature","properties":{"resourceCoords":[1600.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.4154796213803,42.250840391297146]}},{"type":"Feature","properties":{"resourceCoords":[1600.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.4154940423461,42.24730499775629]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.4193874149567,42.24731382291305]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0026","type":"ImageService3","width":1626,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"255.0,1898.4 -0.0,1839.2 -0.0,1631.8 0.0,0.0 1544.8,0.0 1541.5,1885.8 255.0,1898.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41560321859589,42.250864155141485]}},{"type":"Feature","properties":{"resourceCoords":[1626.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41163607839589,42.25088845297846]}},{"type":"Feature","properties":{"resourceCoords":[1626.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41159700877711,42.24734367870818]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41556414897711,42.247319380871204]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0027","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1448.5,1586.0 588.0,1585.4 588.8,1949.0 397.9,1949.0 392.1,353.3 1447.1,360.3 1448.5,1586.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0027/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40798602839617,42.25197094405842]}},{"type":"Feature","properties":{"resourceCoords":[1606.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40796233369902,42.24905843898208]}},{"type":"Feature","properties":{"resourceCoords":[1606.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41270391179543,42.24903700378201]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41272760649258,42.251949508858345]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p28","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0028","type":"ImageService3","width":1626,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1284.7,364.9 1295.1,1587.6 259.6,1586.7 261.0,364.0 1284.7,364.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[762.0,363.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4088287,42.2484382]}},{"type":"Feature","properties":{"resourceCoords":[762.0,1586.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4118113,42.2484198]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0029","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1427.2,0.0 1477.4,1845.7 1218.2,1786.7 256.6,1778.2 258.5,0.0 1427.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0029/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40946866772272,42.252555746286454]}},{"type":"Feature","properties":{"resourceCoords":[1606.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40557495095736,42.25255931061838]}},{"type":"Feature","properties":{"resourceCoords":[1606.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.4055691481716,42.24903691155425]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40946286493696,42.24903334722232]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p30","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0030","type":"ImageService3","width":1626,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"502.2,1902.8 358.2,1847.4 360.9,111.5 1273.1,115.2 1234.7,1535.7 1317.1,1949.0 501.3,1949.0 502.2,1902.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[812.0,1764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4047831,42.2493982]}},{"type":"Feature","properties":{"resourceCoords":[812.0,123.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4049021,42.2523539]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p31","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0031","type":"ImageService3","width":1592,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"224.3,1495.6 226.8,466.3 1187.8,483.1 1592.0,597.4 1592.0,1023.8 1457.5,1023.2 1455.6,1505.0 224.3,1495.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1457.0,970.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4058454,42.2484599]}},{"type":"Feature","properties":{"resourceCoords":[227.0,970.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4088287,42.2484382]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p33","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0033","type":"ImageService3","width":1592,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1350.9,1696.8 1214.7,1687.2 328.8,1459.6 343.9,199.8 1345.5,200.5 1350.9,1696.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1346.0,1195.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.402524,42.2498263]}},{"type":"Feature","properties":{"resourceCoords":[1346.0,200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4001669,42.2502785]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p34","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0034","type":"ImageService3","width":1595,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1580.8,705.0 1521.7,985.9 1595.0,994.2 1595.0,1450.7 1074.4,1307.7 898.4,1949.0 433.9,1949.0 494.4,1692.1 251.9,1688.0 212.7,1688.2 218.4,196.7 1239.3,199.2 1229.0,693.4 1580.8,705.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0034/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[211.0,1188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.402524,42.2498263]}},{"type":"Feature","properties":{"resourceCoords":[718.0,195.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3998462,42.2494017]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p35","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0035","type":"ImageService3","width":1592,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"423.8,1695.0 407.0,143.5 517.4,174.8 1333.0,190.0 1330.2,1698.6 423.8,1695.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1333.0,1190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3989709,42.2505059]}},{"type":"Feature","properties":{"resourceCoords":[1333.0,190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3966227,42.2509624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p36","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0036","type":"ImageService3","width":1595,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1257.6,1681.8 226.4,1684.0 228.6,177.8 1260.9,182.1 1257.6,1681.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[731.0,1182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3986748,42.2496291]}},{"type":"Feature","properties":{"resourceCoords":[731.0,1680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3998462,42.2494017]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p37","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0037","type":"ImageService3","width":1592,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"422.9,1758.4 393.1,117.6 512.5,129.1 544.1,-0.0 1197.5,-0.0 1193.5,1311.9 1417.8,1309.0 1431.8,1819.8 618.4,1812.2 422.9,1758.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0037/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39321067992228,42.254273076766]}},{"type":"Feature","properties":{"resourceCoords":[1592.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39226135568163,42.25149130130789]}},{"type":"Feature","properties":{"resourceCoords":[1592.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.3968300717677,42.250624977952526]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39777939600835,42.25340675341064]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p38","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0038","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1266.6,1813.3 239.0,1818.0 223.6,1312.0 -0.0,1314.9 -0.0,0.0 1249.1,-0.0 1266.6,1813.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0038/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[735.0,1313.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3951296,42.2503168]}},{"type":"Feature","properties":{"resourceCoords":[239.0,1818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3966227,42.2509624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p39","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0039","type":"ImageService3","width":1586,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1562.7,0.0 1548.1,1765.8 827.5,1949.0 -0.0,1949.0 -0.0,36.2 1562.7,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0039/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.3869713056457,42.2548620151833]}},{"type":"Feature","properties":{"resourceCoords":[1586.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38308147762478,42.25487970677394]}},{"type":"Feature","properties":{"resourceCoords":[1586.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38305231118598,42.2513165807003]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.3869421392069,42.251298889109655]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5036.4"},{"label":"split_canvas_w","value":"3151.6"},{"label":"split_canvas_h","value":"2759.6"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0003","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1383.8 0.0,1441.0 0.0,1500.0 0.0,1949.0 187.6,1949.0 187.7,1880.2 635.4,1880.3 635.3,1793.2 583.6,1740.4 581.6,1738.9 519.6,1690.8 425.6,1617.8 417.4,1614.1 415.4,1613.2 199.5,1515.5 228.5,1518.5 305.7,1526.5 320.0,1537.7 320.2,1537.8 317.9,1534.2 288.9,1490.6 155.8,1383.9 -0.0,1383.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1259.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.42385045618896,42.2569347119681]}},{"type":"Feature","properties":{"resourceCoords":[787.9,1259.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.4219288483957,42.256943109895765]}},{"type":"Feature","properties":{"resourceCoords":[787.9,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.42191898257772,42.25568895976109]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.42384059037099,42.25568056183342]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p3 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6428.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0003","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1607.0,1889.5 1607.0,0.0 -0.0,-0.0 0.0,1094.0 0.0,1130.9 0.0,1259.1 165.7,1391.9 210.0,1391.6 209.5,1266.2 651.4,1262.9 655.9,1814.2 727.1,1887.0 1607.0,1889.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[210.0,127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.423377,42.2589989]}},{"type":"Feature","properties":{"resourceCoords":[210.0,1890.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4233839,42.2558076]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0004","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1494.4,727.1 1498.9,1892.7 8.1,1882.2 15.4,0.0 1424.6,80.5 1423.6,236.3 1586.8,641.2 1494.4,727.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41999741017818,42.25920235083977]}},{"type":"Feature","properties":{"resourceCoords":[1603.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41611489081333,42.25920890418851]}},{"type":"Feature","properties":{"resourceCoords":[1603.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.4161042007728,42.25569043143693]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41998672013766,42.25568387808819]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p40","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0040","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1453.1,1411.7 24.5,1758.8 55.9,0.0 1032.8,0.0 1032.4,29.4 1481.5,42.9 1453.1,1411.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0040/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38327467937287,42.254848928750704]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.37932940770344,42.254894835123345]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.37925517710154,42.25135020806862]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38320044877098,42.25130430169598]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p41","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0041","type":"ImageService3","width":1586,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"919.4,-0.0 1446.8,1949.0 182.7,1949.0 165.2,-0.0 919.4,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0041/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[179.0,984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3770896,42.2548106]}},{"type":"Feature","properties":{"resourceCoords":[179.0,1441.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3783061,42.2548152]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0042__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p42 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6468.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0042__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0042","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1563.2,1949.0 1556.1,730.9 1410.2,531.4 1415.2,433.5 1420.4,334.0 1482.1,336.1 1430.8,133.1 1426.5,216.4 1219.3,187.3 1215.9,186.8 1216.5,181.1 1231.0,0.0 986.5,0.0 986.4,0.0 685.5,0.0 264.8,0.0 -0.0,-0.0 -0.0,1949.0 1563.2,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0042__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1555.0,978.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.418534,42.2456165]}},{"type":"Feature","properties":{"resourceCoords":[77.0,978.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4221714,42.2456094]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0043/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p43","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0043/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0043","type":"ImageService3","width":1595,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1584.2,1949.0 79.0,1949.0 83.4,150.7 1221.1,118.2 1584.8,185.2 1584.2,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0043/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41875923777084,42.24772370028119]}},{"type":"Feature","properties":{"resourceCoords":[1595.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41480510537929,42.24775528342092]}},{"type":"Feature","properties":{"resourceCoords":[1595.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41475333694153,42.244153283058694]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41870746933309,42.24412169991896]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p44","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0044","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1357.2,1684.7 121.0,1664.0 140.4,168.2 1379.3,171.8 1357.2,1684.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0044/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41517696767617,42.24771264767536]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41123433276474,42.247779401825404]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41112640358058,42.24423674097483]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41506903849202,42.24416998682478]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p45","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0045","type":"ImageService3","width":1595,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"195.2,205.9 1421.7,190.2 1421.1,1524.2 200.5,1524.7 195.2,205.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0045/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1421.0,725.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4088192,42.246532]}},{"type":"Feature","properties":{"resourceCoords":[1421.0,1730.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4088095,42.2447234]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p46","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0046","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"169.7,471.9 1387.4,0.0 1617.0,0.0 1617.0,474.5 1384.6,1504.5 165.3,1499.7 169.7,471.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0046/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1391.0,1002.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4058196,42.2465451]}},{"type":"Feature","properties":{"resourceCoords":[168.0,1002.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4088192,42.246532]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0047/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p47","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"8"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0047/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0047","type":"ImageService3","width":1595,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1595.0,1421.7 158.0,1446.0 147.7,423.2 376.1,418.4 370.8,0.0 1595.0,0.0 1595.0,1421.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0047/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[158.0,946.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4058196,42.2465451]}},{"type":"Feature","properties":{"resourceCoords":[158.0,1446.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4058281,42.2456326]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0049__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p49 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6400.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0049__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0049","type":"ImageService3","width":1600,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"318.0,593.6 -0.0,563.3 0.0,1102.0 0.0,1520.0 236.4,1500.1 272.6,1538.8 304.5,1572.8 353.3,1678.0 350.5,1677.6 365.8,1704.8 397.6,1773.4 456.0,1949.0 610.1,1949.0 752.7,1949.0 1151.5,1949.0 1276.5,1949.0 1278.0,1949.0 1252.1,1317.4 1450.2,1308.7 1300.5,106.3 287.1,203.1 318.0,593.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0049__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1424.0,453.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.398142,42.2481416]}},{"type":"Feature","properties":{"resourceCoords":[910.0,453.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3992637,42.2480172]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0005","type":"ImageService3","width":1587,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,887.6 11.1,812.0 449.9,809.9 446.5,39.7 1587.0,-0.0 1587.0,1869.9 1069.4,1875.3 985.2,1785.9 588.5,1949.0 425.5,1949.0 449.4,904.3 -0.0,887.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41180576939156,42.259818731498136]}},{"type":"Feature","properties":{"resourceCoords":[1587.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41182188853753,42.25694410979371]}},{"type":"Feature","properties":{"resourceCoords":[1587.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41655841222732,42.256958864577136]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41654229308135,42.259833486281565]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p50","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0050","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1617.0,1949.0 815.5,1949.0 392.2,1607.5 -0.0,1354.9 -0.0,128.1 1572.8,159.2 1552.8,745.2 1435.4,1189.7 1617.0,1240.2 1617.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0050/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39860985283555,42.248896727357916]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.3948009865981,42.24969606645213]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39350856907545,42.24627369160047]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.3973174353129,42.24547435250626]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p51","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0051","type":"ImageService3","width":1600,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1168.5,-0.0 1600.0,-0.0 1600.0,138.3 1132.5,1923.9 682.2,1812.7 90.9,1801.9 93.8,486.2 -0.0,485.4 -0.0,369.0 93.5,396.4 92.4,78.5 750.6,77.3 867.3,81.2 993.3,80.4 1095.9,83.3 1144.0,83.5 1168.5,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0051/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39062989970515,42.25038640492643]}},{"type":"Feature","properties":{"resourceCoords":[1600.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38963779259161,42.24758910520122]}},{"type":"Feature","properties":{"resourceCoords":[1600.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39420875062258,42.24668821047328]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39520085773611,42.24948551019849]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0052__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p52 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6432.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0052__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0052","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"8.0,1325.3 684.0,1148.9 883.5,1913.5 1164.8,1303.3 1196.1,1297.9 1608.0,382.5 1608.0,-0.0 32.2,-0.0 8.0,1325.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0052__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":[-84.39068962023876,42.24757997003477]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39061314873534,42.24460487721758]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39545028336832,42.244535779522295]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39552675487175,42.24751087233949]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p53","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0053/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0053","type":"ImageService3","width":1614,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1262.5,1949.0 603.7,1949.0 308.7,925.4 -0.0,1017.2 -0.0,0.0 1614.0,0.0 1614.0,554.8 1426.0,609.3 1462.4,1876.6 1417.9,1878.3 1260.7,1884.1 1262.5,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0053/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39143614706305,42.2518549556859]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.3875721592834,42.251777497245506]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38769763620837,42.24829927568385]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39156162398803,42.24837673412424]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0054/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p54","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0054/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0054","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5.5,1891.4 0.2,644.4 186.3,595.3 199.6,49.8 -0.0,44.9 -0.0,-0.0 456.3,0.0 459.0,312.8 1292.5,305.7 1516.5,247.6 1520.7,1883.4 5.5,1891.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0054/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38805792572593,42.25186878523681]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38414251411878,42.25186153917247]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38415429601487,42.24832387982245]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38806970762202,42.24833112588679]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p55","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0055/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0055","type":"ImageService3","width":1595,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1329.4,278.8 1348.5,1677.9 347.7,1691.2 333.7,555.5 1329.4,278.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0055/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.385155521694,42.25242444620856]}},{"type":"Feature","properties":{"resourceCoords":[1595.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38129225674713,42.25238241540153]}},{"type":"Feature","properties":{"resourceCoords":[1595.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38136115523524,42.24886345131962]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38522442018211,42.24890548212665]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p56","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0056/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0056","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1459.5,117.6 1456.0,1949.0 524.9,1949.0 525.0,1867.5 -0.0,1869.1 -0.0,494.1 1459.5,117.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0056/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[965.0,874.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3795386,42.2511917]}},{"type":"Feature","properties":{"resourceCoords":[965.0,1373.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3795368,42.2502742]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p57","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0057","type":"ImageService3","width":1595,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1367.0,1717.0 592.2,1715.5 173.3,141.8 -0.0,140.7 0.0,0.0 1361.6,-0.0 1367.0,1717.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0057/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1367.0,1214.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3770885,42.2511877]}},{"type":"Feature","properties":{"resourceCoords":[1367.0,1717.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.378315,42.2511869]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p58","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0058","type":"ImageService3","width":1600,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"17.0,1715.0 12.2,-0.0 1600.0,-0.0 1600.0,1714.4 17.0,1715.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0058/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[17.0,731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.375883,42.2511889]}},{"type":"Feature","properties":{"resourceCoords":[17.0,1715.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.378315,42.2511869]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0059__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p59 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6492.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0059__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0059","type":"ImageService3","width":1623,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1485.7 1142.1,1483.4 1139.6,1949.0 1623.0,1949.0 1603.0,82.0 79.9,57.5 0.0,-0.0 0.0,1485.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0059__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[114.0,82.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4221708,42.2437958]}},{"type":"Feature","properties":{"resourceCoords":[1603.0,82.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.418507,42.2438085]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p6","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0006","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1525.5,1858.0 310.4,1861.9 332.6,16.3 1546.9,-0.0 1525.5,1858.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[923.0,47.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4118861,42.2558688]}},{"type":"Feature","properties":{"resourceCoords":[1526.0,1858.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4163293,42.2547461]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0060__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p60 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6428.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0060__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0060","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"22.3,211.2 27.8,1949.0 1551.7,1949.0 1549.5,393.5 1429.3,303.5 1421.6,263.1 1386.6,259.0 1344.5,204.7 22.3,211.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0060__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1040.0,1795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4160019,42.2412688]}},{"type":"Feature","properties":{"resourceCoords":[528.0,392.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4172733,42.2438015]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p61","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0061","type":"ImageService3","width":1623,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1457.5,194.6 1456.0,1599.0 221.3,1599.0 220.0,195.0 1457.5,194.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0061/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1456.0,1599.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4117589,42.2421732]}},{"type":"Feature","properties":{"resourceCoords":[220.0,195.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4147899,42.2446931]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p62","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0062/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0062","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1387.0,1039.9 1371.3,1374.7 1198.7,1375.7 1200.2,1624.9 182.6,1598.6 181.4,0.0 1396.3,0.0 1387.0,1039.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0062/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.4122218413655,42.245082700648624]}},{"type":"Feature","properties":{"resourceCoords":[1607.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.408296784322,42.24509549185195]}},{"type":"Feature","properties":{"resourceCoords":[1607.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40827597546347,42.241546532361326]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41220103250696,42.241533741158]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p63","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0063","type":"ImageService3","width":1623,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1467.6,1676.7 374.4,1677.2 225.0,1627.9 225.2,1614.7 185.1,1658.0 -0.0,1680.5 -0.0,767.5 236.5,768.0 243.2,266.8 1469.1,276.5 1467.6,1676.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0063/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1472.0,1270.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4057973,42.2438388]}},{"type":"Feature","properties":{"resourceCoords":[242.0,768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4088095,42.2447234]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p64","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0064/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0064","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"847.3,1678.8 86.8,1669.2 88.0,278.0 1531.4,277.4 1536.0,0.0 1607.0,0.0 1607.0,1531.2 844.1,1522.0 847.3,1678.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0064/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[88.0,778.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4058163,42.244724]}},{"type":"Feature","properties":{"resourceCoords":[88.0,278.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4058281,42.2456326]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p67","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0067/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0067","type":"ImageService3","width":1623,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1623.0,1949.0 -0.0,1949.0 -0.0,0.0 179.8,0.0 191.6,141.6 677.0,405.4 1623.0,1058.0 1623.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0067/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39823447315233,42.246703653813846]}},{"type":"Feature","properties":{"resourceCoords":[1623.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39435777277913,42.24726267213795]}},{"type":"Feature","properties":{"resourceCoords":[1623.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39345730239404,42.24379206477075]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39733400276724,42.24323304644665]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p68","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0068/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0068","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1522.2,56.7 1515.8,1058.4 1411.2,1201.7 1231.0,1024.4 977.7,1949.0 758.7,1949.0 113.8,1655.2 437.2,1654.7 434.8,41.7 1322.6,0.0 1321.8,53.5 1522.2,56.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0068/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39174412710416,42.24758186326783]}},{"type":"Feature","properties":{"resourceCoords":[1607.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.3878477733147,42.24763315320975]}},{"type":"Feature","properties":{"resourceCoords":[1607.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38776433105691,42.24411028441094]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39166068484637,42.24405899446902]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p69","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0069/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0069","type":"ImageService3","width":1623,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"592.8,1748.9 592.9,1949.0 89.7,1949.0 86.5,231.2 839.6,288.8 1503.7,281.1 1504.0,-0.0 1581.9,-0.0 1137.0,1743.8 592.8,1748.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0069/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1094.0,1750.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3880515,42.2466268]}},{"type":"Feature","properties":{"resourceCoords":[88.0,1750.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3880559,42.2484357]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0007","type":"ImageService3","width":1599,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1599.0,345.4 1599.0,1949.0 -0.0,1949.0 -0.0,1841.0 47.0,1840.9 56.4,495.4 54.6,222.3 -0.0,222.5 0.0,0.0 1389.5,-0.0 1439.2,392.5 1599.0,345.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40267443561794,42.25907463511956]}},{"type":"Feature","properties":{"resourceCoords":[1599.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40267046881013,42.256159371346314]}},{"type":"Feature","properties":{"resourceCoords":[1599.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40743784907036,42.256155767502406]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40744181587817,42.25907103127565]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0070__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p70 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6428.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0070__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0070","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"441.6,1949.0 1607.0,1949.0 1607.0,810.2 1412.6,592.4 1347.8,418.1 1175.4,234.8 1052.9,0.0 -0.0,0.0 0.0,1672.0 -0.0,1800.3 403.9,1693.2 554.2,1750.0 441.6,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0070__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[512.0,303.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3844689,42.2448288]}},{"type":"Feature","properties":{"resourceCoords":[554.0,1750.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.388271,42.2454548]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0071/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p71","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0071/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0071","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"31.4,1287.6 84.1,588.5 85.5,28.9 1621.0,28.3 1621.0,1535.0 1528.0,1535.0 1532.6,1949.0 39.8,1949.0 31.4,1287.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0071/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1078.0,532.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3819516,42.2484545]}},{"type":"Feature","properties":{"resourceCoords":[1528.0,1535.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3808524,42.2466442]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0072/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p72","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0072/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0072","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"137.4,1530.2 140.4,124.0 1077.3,125.3 1078.3,631.8 1607.0,632.7 1607.0,1949.0 49.2,1939.0 45.5,1530.0 137.4,1530.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0072/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[46.0,1530.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3808524,42.2466442]}},{"type":"Feature","properties":{"resourceCoords":[580.0,534.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3795399,42.248467]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0073__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p73 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"1231.2"},{"label":"split_canvas_y","value":"4950.8"},{"label":"split_canvas_w","value":"2026.8"},{"label":"split_canvas_h","value":"2845.2"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0073__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0073","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"814.5,1949.0 814.2,1451.6 307.8,1237.7 308.2,1949.0 814.5,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0073__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[777.6,1498.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.380772,42.23832]}},{"type":"Feature","properties":{"resourceCoords":[336.7,1319.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3819493,42.2385319]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0074__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p74 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6460.0"},{"label":"split_canvas_h","value":"1875.2"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0074__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0074","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,468.5 1615.0,468.8 1615.0,0.0 0.0,-0.0 0.0,468.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0074__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1182.0,431.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.378122,42.241572]}},{"type":"Feature","properties":{"resourceCoords":[551.0,431.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.379607,42.2420617]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0075__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p75 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6484.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0075__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0075","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,670.9 0.0,1106.0 0.0,1180.0 0.0,1387.8 0.0,1537.0 0.0,1578.7 0.0,1579.1 97.9,1598.6 100.8,1580.8 101.0,1579.6 102.9,1580.9 182.2,1633.7 232.3,1667.0 233.1,1670.2 241.7,1673.2 293.7,1707.9 324.8,1728.5 355.3,1757.0 506.4,1947.0 1092.8,1944.6 1127.2,41.3 76.2,26.1 70.7,671.9 -0.0,670.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0075__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[527.0,1742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4135847,42.2390819]}},{"type":"Feature","properties":{"resourceCoords":[1310.0,44.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4117589,42.2421732]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0076__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p76 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6460.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0076__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0076","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1209.5,1164.6 1203.2,418.1 1190.3,406.5 1130.5,345.5 1131.5,345.5 1128.8,343.8 1065.4,303.2 1047.8,261.9 1047.5,261.1 952.0,230.6 798.7,132.4 732.8,64.5 -0.0,50.2 0.0,1660.0 -0.0,1949.0 974.8,1949.0 975.5,1164.0 1209.5,1164.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0076__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[190.0,553.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4117389,42.2412627]}},{"type":"Feature","properties":{"resourceCoords":[1381.0,1165.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.408826,42.2401602]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0077/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p77","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"18"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0077/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0077","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,643.9 -0.0,411.2 173.8,411.3 188.5,88.5 338.7,138.2 1437.8,138.4 1435.0,1781.5 -0.0,1762.5 -0.0,663.9 -0.0,643.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0077/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1436.0,641.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.405791,42.2422017]}},{"type":"Feature","properties":{"resourceCoords":[177.0,1143.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4088314,42.2412763]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0078/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p78","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0078/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0078","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1331.2,1628.0 519.6,1636.5 519.1,1774.9 101.1,1774.6 82.9,155.8 841.1,156.2 836.0,0.0 1615.0,0.0 1615.0,1854.2 1332.0,1785.0 1331.8,1736.3 1331.2,1628.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0078/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1332.0,1785.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.402732,42.240129]}},{"type":"Feature","properties":{"resourceCoords":[87.0,651.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.405791,42.2422017]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0080/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p80","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0080/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0080","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1215.0,1646.0 1041.2,1949.0 -0.0,1949.0 -0.0,999.7 1274.8,289.9 1280.9,1421.1 1215.0,1646.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0080/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39718441097904,42.24189527256171]}},{"type":"Feature","properties":{"resourceCoords":[1615.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39713176688792,42.23895592282548]}},{"type":"Feature","properties":{"resourceCoords":[1615.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40188961903958,42.23890855662182]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40194226313069,42.24184790635805]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0081/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p81","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0081/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0081","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1621.0,51.9 1621.0,1949.0 34.2,1949.0 40.8,65.0 1621.0,51.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0081/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40507409277511,42.2402264605555]}},{"type":"Feature","properties":{"resourceCoords":[1621.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40506958509398,42.23728552259888]}},{"type":"Feature","properties":{"resourceCoords":[1621.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40981226851878,42.23728148175044]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.4098167761999,42.24022241970706]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0082/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p82","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0082/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0082","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"212.8,70.2 1615.0,69.5 1615.0,1949.0 200.5,1949.0 212.8,70.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0082/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.4050278140031,42.23767560343817]}},{"type":"Feature","properties":{"resourceCoords":[1615.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40499734532185,42.234722335843664]}},{"type":"Feature","properties":{"resourceCoords":[1615.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40977738948743,42.234694919901635]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40980785816869,42.23764818749614]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0083/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p83","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0083/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0083","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"74.2,137.1 279.7,139.4 281.6,0.0 1105.6,0.0 1104.8,158.2 1391.3,230.9 1393.7,0.0 1442.2,0.0 1443.5,258.3 1617.0,356.5 1617.0,1720.2 657.4,1733.0 658.5,1949.0 76.8,1949.0 74.2,137.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0083/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40541470721593,42.2403991756302]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40149262084667,42.240422471110655]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40145496070623,42.2368978655002]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40537704707549,42.236874570019744]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0084/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p84","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0084/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0084","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"95.8,1318.7 95.5,0.0 481.6,104.3 1442.5,93.7 1615.0,357.1 1615.0,1949.0 543.2,1949.0 538.6,1319.7 95.8,1318.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0084/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40171849231415,42.239713808165696]}},{"type":"Feature","properties":{"resourceCoords":[1615.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39777037067304,42.23973649836364]}},{"type":"Feature","properties":{"resourceCoords":[1615.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39773364402397,42.23618406345575]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40168176566507,42.23616137325781]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0085/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p85","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"4"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0085/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0085","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"255.2,1903.7 -0.0,1764.5 -0.0,-0.0 1226.8,0.0 1191.4,103.7 1617.0,247.6 1617.0,1949.0 258.9,1949.0 255.2,1903.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0085/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[968.0,693.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3970956,42.2421107]}},{"type":"Feature","properties":{"resourceCoords":[968.0,266.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3976108,42.2427794]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0086__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p86 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5426.0"},{"label":"split_canvas_w","value":"2671.6"},{"label":"split_canvas_h","value":"2370.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0086__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0086","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1655.2 0.0,1797.0 0.0,1949.0 665.4,1949.0 667.9,1357.9 0.0,1356.5 0.0,1655.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0086__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1356.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39424351898913,42.23928305887462]}},{"type":"Feature","properties":{"resourceCoords":[667.9,1356.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39342490990902,42.23823482340197]}},{"type":"Feature","properties":{"resourceCoords":[667.9,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.3946729930966,42.2376930117524]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39549160217672,42.23874124722505]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0086__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p86 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6460.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0086__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0086","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,236.1 0.0,1356.5 667.9,1357.9 665.4,1949.0 1615.0,1949.0 1615.0,1686.8 1615.0,1397.9 1188.7,1539.9 981.9,906.5 1541.2,720.2 1615.0,946.4 1615.0,795.5 1615.0,718.1 1615.0,405.0 1615.0,222.8 1615.0,152.4 1615.0,89.5 1615.0,0.0 436.4,358.3 423.1,316.8 -0.0,236.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0086__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[423.0,317.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3971334,42.2395793]}},{"type":"Feature","properties":{"resourceCoords":[1099.0,109.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3956169,42.2402032]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0087/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p87","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0087/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0087","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1424.9,0.2 1448.7,1923.2 359.6,1927.5 357.1,1363.9 147.8,1365.9 130.6,3.8 1424.9,0.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0087/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40036872052617,42.23755980909876]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40035403257748,42.23454167739961]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40523302830319,42.23452847744207]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40524771625188,42.23754660914122]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0088/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p88","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0088/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0088","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"64.2,1949.0 64.4,1922.9 -0.0,1922.7 -0.0,17.8 70.6,18.5 70.7,11.7 0.0,0.0 1615.0,-0.0 1615.0,1949.0 64.2,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0088/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40031126753038,42.23490070931065]}},{"type":"Feature","properties":{"resourceCoords":[1615.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.4002459972575,42.23185760033535]}},{"type":"Feature","properties":{"resourceCoords":[1615.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40517125968765,42.23179886733563]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.40523652996053,42.234841976310925]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0089/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p89","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0089/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0089","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1617.0,1949.0 -0.0,1949.0 -0.0,-0.0 1617.0,0.0 1617.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0089/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41888536915532,42.23196789150392]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41490691313635,42.23199403955439]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41486464708429,42.22841830039608]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.41884310310326,42.22839215234561]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0091__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p91 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5769.6"},{"label":"split_canvas_w","value":"2304.4"},{"label":"split_canvas_h","value":"2026.4"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0091__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0091","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1664.0 -0.0,1949.0 570.7,1949.0 571.6,1822.0 576.1,1442.4 0.0,1443.2 0.0,1664.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0091__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1442.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38462568093061,42.21988710855145]}},{"type":"Feature","properties":{"resourceCoords":[576.1,1442.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.3841799032204,42.220290971226106]}},{"type":"Feature","properties":{"resourceCoords":[576.1,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38370326287745,42.21999833221558]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38414904058766,42.21959446954092]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0091__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p91 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"2282.8"},{"label":"split_canvas_y","value":"5766.8"},{"label":"split_canvas_w","value":"1942.4"},{"label":"split_canvas_h","value":"2029.2"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0091__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0091","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1056.3,1949.0 1053.9,1441.7 860.9,1442.0 576.1,1442.4 571.6,1822.0 570.7,1949.0 580.8,1949.0 597.7,1949.0 681.0,1949.0 916.0,1949.0 1056.3,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0091__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[570.7,1441.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38436325363747,42.22013649603994]}},{"type":"Feature","properties":{"resourceCoords":[1056.3,1441.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38399239698286,42.220474257329]}},{"type":"Feature","properties":{"resourceCoords":[1056.3,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38351901805494,42.2201851481276]}},{"type":"Feature","properties":{"resourceCoords":[570.7,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.38388987470955,42.21984738683854]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p9 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6348.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0009","type":"ImageService3","width":1587,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"801.2,0.0 299.6,0.0 303.6,633.4 0.0,639.9 -0.0,1949.0 165.0,1949.0 412.0,1949.0 775.5,1949.0 779.0,1159.0 1567.2,1168.7 1468.2,854.3 1587.0,837.1 1587.0,-0.0 801.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[779.0,1159.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3940093,42.2547712]}},{"type":"Feature","properties":{"resourceCoords":[779.0,656.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3927832,42.2547795]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Michigan | 1907 | sanborn04057_004 p9 [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":"1214.4"},{"label":"split_canvas_h","value":"2559.6"}],"created":"2026-09-21T16:39:14Z","modified":"2026-09-21T16:39:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0009","type":"ImageService3","width":1587,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 0.0,639.9 303.6,633.4 299.6,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114jm:g040571907:04057_1907-0009__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":[-84.39131038743547,42.25706752037087]}},{"type":"Feature","properties":{"resourceCoords":[303.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39130759870096,42.25651535884516]}},{"type":"Feature","properties":{"resourceCoords":[303.6,639.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39287771455767,42.25651101219795]}},{"type":"Feature","properties":{"resourceCoords":[0.0,639.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.39288050329218,42.25706317372366]}},{"type":"Feature","properties":{"resourceCoords":[264.6,602.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3927873,42.2565821]}}]}}]}