{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03960_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cheboygan, Michigan | 1907 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"30"},{"label":"placed","value":"18"},{"label":"unplaced","value":"12"},{"label":"fit sources","value":"georef 13, georef-snap 4, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 17 panels"},{"label":"unplaced pages","value":"p1 (tier 3, 45.66331,-84.48318 +/-659m); p13__1 (tier 4, 45.64350,-84.47945 +/-1297m); p13__2 (tier 4, 45.64350,-84.47945 +/-1297m); p14 (tier 2, 45.65141,-84.47135 +/-100m); p15 (tier 1, 45.64189,-84.47289 +/-132m); p16__1 (tier 2, 45.64532,-84.48127 +/-777m); p16__3 (tier 1, 45.64822,-84.48147 +/-100m); p16__4 (tier 1, 45.63969,-84.48420 +/-100m); p16__6 (tier 1, 45.64031,-84.48693 +/-100m); p17 (tier 4, 45.64350,-84.47945 +/-1297m); p18 (tier 4, 45.64350,-84.47945 +/-1297m); p9__2 (tier 1, 45.64054,-84.49033 +/-111m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0010","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1927.0 0.0,0.0 809.8,0.0 811.3,70.6 1628.0,59.4 1628.0,1813.1 490.7,1807.0 492.6,1927.0 0.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_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":[-84.474388295573,45.64486911386609]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47199715721047,45.647461444061975]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.46763877165246,45.64546882625449]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47002991001499,45.64287649605861]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p11 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4783.2"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"2924.8"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0011","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,1927.0 1628.0,1195.8 87.5,1204.1 46.0,1225.8 191.1,1526.5 -0.0,1527.2 -0.0,1927.0 1628.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[968.0,1526.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4631081,45.6446041]}},{"type":"Feature","properties":{"resourceCoords":[191.0,1526.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4649759,45.6438582]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p11 [2]","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":"6512.0"},{"label":"split_canvas_h","value":"4818.4"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0011","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,523.2 1396.6,400.5 1491.5,219.9 1135.0,206.2 1134.8,165.1 1138.7,0.0 -0.0,0.0 29.8,16.3 13.1,1204.5 1628.0,1195.8 1628.0,523.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1492.0,219.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4649759,45.6438582]}},{"type":"Feature","properties":{"resourceCoords":[1193.0,845.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4664982,45.6431888]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0012","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,1927.0 -0.0,1927.0 0.0,-0.0 1628.0,0.0 1628.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48281698511899,45.634850799269564]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48067825636815,45.63478014647077]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48079701583458,45.63299747436671]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48293574458543,45.6330681271655]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0016__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p16 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3243.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3268.8"},{"label":"split_canvas_h","value":"2959.2"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0016__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0016","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,516.0 1532.7,518.1 1524.2,0.0 810.8,-0.0 812.0,739.8 1628.0,729.6 1628.0,516.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0016__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[810.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48602565638295,45.6395027520684]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48388918229017,45.63916374925917]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,739.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48432655328256,45.63780853555709]}},{"type":"Feature","properties":{"resourceCoords":[810.8,739.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48646302737534,45.638147538366326]}},{"type":"Feature","properties":{"resourceCoords":[1539.1,695.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.484533,45.637926]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0016__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p16 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"1268.8"},{"label":"split_canvas_y","value":"3534.0"},{"label":"split_canvas_w","value":"1983.6"},{"label":"split_canvas_h","value":"1897.2"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0016__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0016","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"812.3,883.5 317.2,886.1 320.5,1357.8 813.1,1357.1 812.3,883.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0016__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[317.2,883.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48893472889951,45.64384224102962]}},{"type":"Feature","properties":{"resourceCoords":[813.1,883.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48760656488294,45.643833560058084]}},{"type":"Feature","properties":{"resourceCoords":[813.1,1357.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48761842116514,45.64294170274028]}},{"type":"Feature","properties":{"resourceCoords":[317.2,1357.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48894658518171,45.64295038371181]}},{"type":"Feature","properties":{"resourceCoords":[768.1,1229.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4877357,45.6431847]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1850.4 0.0,-0.0 1628.0,0.0 1628.0,1708.5 1059.0,1722.0 1062.4,1844.4 -0.0,1850.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47302966465719,45.652344222856286]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.46950861402559,45.650698833994575]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47227517966205,45.647764872072365]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47579623029365,45.649410260934076]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p3","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 1259.5,0.0 1259.7,101.3 1456.1,101.2 1498.2,1747.9 1111.8,1782.7 1046.6,1685.2 -0.0,1691.9 0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[822.0,763.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.477666,45.6489389]}},{"type":"Feature","properties":{"resourceCoords":[-114.0,763.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4797835,45.6499185]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"849.9,1927.0 848.6,1680.4 457.9,1685.7 457.9,1773.2 -0.0,1781.7 -0.0,104.8 840.1,119.9 839.6,0.0 1628.0,0.0 1628.0,1127.8 1556.1,1128.3 1545.2,1927.0 1449.9,1927.0 1448.0,1672.3 1253.2,1674.9 1243.8,1927.0 849.9,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_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":[-84.4750939880466,45.649487080321]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47144390833206,45.64786809013017]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47416594565512,45.64482645497504]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47781602536965,45.646445445165874]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p5 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5702.4"},{"label":"split_canvas_w","value":"1993.2"},{"label":"split_canvas_h","value":"2005.6"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"198.3,1927.0 200.6,1884.0 444.4,1894.8 462.3,1441.6 103.3,1425.8 99.7,1425.8 0.0,1478.1 -0.0,1927.0 198.3,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[67.0,1441.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4811109,45.6443392]}},{"type":"Feature","properties":{"resourceCoords":[462.3,1441.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4800271,45.6439134]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p5 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1057.4,1927.0 1050.9,1829.6 1187.6,1753.2 1577.2,1752.6 1556.7,1601.4 1356.4,1291.6 1344.5,840.6 1544.5,714.1 1332.5,385.9 1324.5,81.8 1145.7,96.8 1081.8,0.0 -0.0,0.0 0.0,1425.6 486.5,1426.3 498.3,1927.0 1057.4,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[748.0,1218.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4811312,45.645641]}},{"type":"Feature","properties":{"resourceCoords":[1545.0,714.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4785458,45.6456148]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p6","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1544.7,1781.8 211.4,1799.5 194.6,1645.8 -0.0,1326.7 -0.0,869.5 206.0,746.7 -0.0,408.6 -0.0,89.4 655.9,86.2 656.5,0.0 1039.8,0.0 1039.3,121.7 1039.3,242.8 1425.8,248.0 1436.8,0.0 1628.0,0.0 1628.0,1927.0 1542.9,1927.0 1544.7,1781.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1038.0,678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4765311,45.6449004]}},{"type":"Feature","properties":{"resourceCoords":[1038.0,1814.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4781427,45.6430703]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p7","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"286.9,569.0 279.9,35.0 1115.7,13.3 1115.5,0.0 1628.0,0.0 1628.0,1538.2 553.6,1927.0 -0.0,1927.0 -0.0,571.3 286.9,569.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[728.0,573.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4797843,45.6426146]}},{"type":"Feature","properties":{"resourceCoords":[1116.0,39.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4781427,45.6430703]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"45.0,0.0 1628.0,0.0 1628.0,1927.0 -0.0,1927.0 -0.0,1436.8 55.1,1435.9 34.8,547.8 158.4,526.0 155.0,283.4 -0.0,286.0 -0.0,0.0 45.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48223290053267,45.64066697958733]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47803024599635,45.64001828870149]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47912073413885,45.6365156513984]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48332338867516,45.63716434228424]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_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":"Cheboygan, Michigan | 1907 | sanborn03960_005 p9 [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":"3427.2"},{"label":"split_canvas_h","value":"6168.8"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,1542.2 415.3,1538.7 779.7,1535.2 777.6,758.5 856.8,758.2 849.5,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[807.8,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.484858,45.6542654]}},{"type":"Feature","properties":{"resourceCoords":[-356.9,458.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4875806,45.655376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0009__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p9 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"3110.4"},{"label":"split_canvas_y","value":"3023.2"},{"label":"split_canvas_w","value":"3401.6"},{"label":"split_canvas_h","value":"4684.8"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0009__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"911.9,1394.6 909.2,1927.0 1510.9,1927.0 1502.7,1022.8 1628.0,1002.7 1628.0,755.8 856.8,758.2 777.6,758.5 779.3,1391.6 911.9,1394.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0009__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1267.2,1060.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4830756,45.6396747]}},{"type":"Feature","properties":{"resourceCoords":[840.5,1115.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4841986,45.6397322]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0009__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p9 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6154.8"},{"label":"split_canvas_w","value":"1661.2"},{"label":"split_canvas_h","value":"1553.2"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0009__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"303.1,1566.8 415.3,1567.5 415.3,1538.7 0.0,1542.2 -0.0,1927.0 370.9,1927.0 303.1,1566.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0009__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1538.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.49098979678848,45.64060700846524]}},{"type":"Feature","properties":{"resourceCoords":[415.3,1538.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48876727870874,45.640591432903356]}},{"type":"Feature","properties":{"resourceCoords":[415.3,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48878810027955,45.639130673992504]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.4910106183593,45.639146249554386]}},{"type":"Feature","properties":{"resourceCoords":[120.1,1810.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4903617,45.6395811]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0009__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1907 | sanborn03960_005 p9 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"1660.4"},{"label":"split_canvas_y","value":"6140.8"},{"label":"split_canvas_w","value":"1462.0"},{"label":"split_canvas_h","value":"1567.2"}],"created":"2026-09-23T02:52:34Z","modified":"2026-09-23T02:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0009__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"780.6,1927.0 779.7,1535.2 528.8,1537.6 525.0,1557.8 426.5,1538.6 415.3,1538.7 415.1,1927.0 780.6,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601907:03960_1907-0009__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[415.1,1535.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48937052998119,45.64049447997683]}},{"type":"Feature","properties":{"resourceCoords":[780.6,1535.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48744047291079,45.64073458453332]}},{"type":"Feature","properties":{"resourceCoords":[780.6,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48707371993501,45.639285122414584]}},{"type":"Feature","properties":{"resourceCoords":[415.1,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48900377700541,45.639045017858095]}},{"type":"Feature","properties":{"resourceCoords":[695.7,1660.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4877713,45.6402148]}}]}}]}