{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03960_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cheboygan, Michigan | 1895 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"38"},{"label":"placed","value":"13"},{"label":"unplaced","value":"25"},{"label":"fit sources","value":"georef 11, georef-snap 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"10 sheet(s) cut into 31 panels"},{"label":"unplaced pages","value":"p1 (tier 3, 45.65289,-84.46740 +/-2368m); p11__1 (tier 1, 45.64449,-84.46327 +/-113m); p12__2 (tier 1, 45.65361,-84.44374 +/-188m); p13__1 (tier 1, 45.65416,-84.44391 +/-124m); p13__2 (tier 1, 45.65311,-84.44245 +/-112m); p13__3 (tier 3, 45.65317,-84.44191 +/-792m); p14__1 (tier 3, 45.65493,-84.46251 +/-792m); p14__2 (tier 3, 45.65493,-84.46251 +/-792m); p15__1 (tier 1, 45.64839,-84.48473 +/-100m); p15__2 (tier 1, 45.64810,-84.48144 +/-100m); p16__1 (tier 1, 45.64210,-84.47386 +/-100m); p16__2 (tier 1, 45.64271,-84.47169 +/-219m); p16__3 (tier 1, 45.63652,-84.47377 +/-121m); p16__4 (tier 1, 45.64159,-84.47353 +/-126m); p17__1 (tier 3, 45.66496,-84.48802 +/-792m); p17__2 (tier 1, 45.66044,-84.48401 +/-100m); p17__3 (tier 3, 45.66496,-84.48802 +/-792m); p17__4 (tier 3, 45.66496,-84.48802 +/-792m); p17__5 (tier 3, 45.66496,-84.48802 +/-792m); p5__1 (tier 1, 45.64663,-84.48121 +/-154m); p9__2 (tier 1, 45.63832,-84.48418 +/-138m); p9__3 (tier 1, 45.63989,-84.48682 +/-100m); p9__4 (tier 1, 45.65263,-84.44942 +/-100m); p9__5 (tier 1, 45.63979,-84.48520 +/-120m); p9__6 (tier 1, 45.64157,-84.49179 +/-101m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1895 | sanborn03960_003 p10","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-22T23:36:23Z","modified":"2026-09-22T23:36:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0010","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,1807.0 518.8,1813.7 521.4,1927.0 0.0,1927.0 0.0,0.0 51.9,0.0 53.0,39.1 1628.0,0.0 1628.0,1807.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47433012577797,45.64485361468198]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47194844256907,45.64737375847541]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.46769421323033,45.645397048080746]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47007589643923,45.64287690428731]}},{"type":"Feature","properties":{"resourceCoords":[131.0,725.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4725379,45.6443127]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0011__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 | 1895 | sanborn03960_003 p11 [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":"6512.0"},{"label":"split_canvas_h","value":"4790.8"}],"created":"2026-09-22T23:36:23Z","modified":"2026-09-22T23:36:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0011","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,0.0 0.0,-0.0 -0.0,39.8 29.2,40.5 12.8,1190.8 1628.0,1197.7 1628.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1374.0,482.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4656708,45.643578]}},{"type":"Feature","properties":{"resourceCoords":[1520.0,203.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4649759,45.6438582]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0012__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 | 1895 | sanborn03960_003 p12 [1]","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":"3624.4"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-09-22T23:36:23Z","modified":"2026-09-22T23:36:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0012","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1927.0 841.0,1927.0 905.7,1927.0 906.1,21.9 -0.0,-0.0 -0.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0012__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":[-84.48290535502639,45.63413150390782]}},{"type":"Feature","properties":{"resourceCoords":[906.1,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48051761978927,45.63429770350803]}},{"type":"Feature","properties":{"resourceCoords":[906.1,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48001347909553,45.63073670802613]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48240121433265,45.63057050842591]}},{"type":"Feature","properties":{"resourceCoords":[55.0,52.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4827468,45.6340455]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1895 | sanborn03960_003 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-22T23:36:23Z","modified":"2026-09-22T23:36:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"832.2,1849.0 -0.0,1826.1 -0.0,-0.0 1628.0,0.0 1628.0,1927.0 832.3,1927.0 832.2,1849.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[465.0,785.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4726897,45.6505838]}},{"type":"Feature","properties":{"resourceCoords":[465.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4742233,45.6488582]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1895 | sanborn03960_003 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-22T23:36:23Z","modified":"2026-09-22T23:36:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1811.1 0.0,-0.0 1465.0,0.0 1466.9,66.0 1628.0,66.0 1628.0,1752.3 1139.4,1791.2 1103.5,1737.6 -0.0,1811.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[844.0,66.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4766739,45.6499833]}},{"type":"Feature","properties":{"resourceCoords":[1549.0,66.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4751199,45.6492652]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1895 | sanborn03960_003 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"}],"created":"2026-09-22T23:36:23Z","modified":"2026-09-22T23:36:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"863.6,1927.0 862.9,1679.3 469.1,1676.0 469.0,1794.0 99.9,1797.9 145.0,107.2 856.9,125.7 857.1,207.6 1628.0,206.4 1628.0,1927.0 1496.1,1927.0 1496.7,1684.8 1271.0,1682.8 1261.3,1927.0 863.6,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[469.0,800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4751868,45.6477863]}},{"type":"Feature","properties":{"resourceCoords":[469.0,1794.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4765721,45.6462327]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0005__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 | 1895 | sanborn03960_003 p5 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"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":"2026-09-22T23:36:23Z","modified":"2026-09-22T23:36:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"598.5,0.0 918.4,571.3 0.0,1159.0 0.0,1415.2 532.6,1416.3 541.2,1927.0 998.9,1927.0 998.4,1840.9 1147.1,1758.7 1407.5,1761.0 1479.4,52.0 1245.1,55.0 1213.3,0.0 598.5,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1614.0,710.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4785458,45.6456148]}},{"type":"Feature","properties":{"resourceCoords":[1119.0,1774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4811109,45.6443392]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0005__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 | 1895 | sanborn03960_003 p5 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5660.8"},{"label":"split_canvas_w","value":"2164.8"},{"label":"split_canvas_h","value":"2047.2"}],"created":"2026-09-22T23:36:23Z","modified":"2026-09-22T23:36:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0005__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"229.7,1886.7 335.9,1890.1 492.8,1898.2 511.2,1433.2 150.8,1415.5 143.9,1415.5 -0.0,1491.0 -0.0,1927.0 227.6,1927.0 228.8,1886.7 229.7,1886.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0005__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[106.0,1433.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4811109,45.6443392]}},{"type":"Feature","properties":{"resourceCoords":[511.2,1433.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4800271,45.6439134]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1895 | sanborn03960_003 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:36:23Z","modified":"2026-09-22T23:36:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1014.8,1857.2 -0.0,1852.5 -0.0,529.9 -0.0,529.5 -0.0,127.8 613.7,116.2 613.5,0.0 1002.3,0.0 1003.5,243.7 1396.2,240.4 1405.3,0.0 1628.0,0.0 1628.0,1927.0 1500.5,1927.0 1497.7,1779.9 1014.1,1788.8 1014.8,1857.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47778955678234,45.64703086205249]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47412231280047,45.64540222755813]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47686044289365,45.64234615273333]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48052768687552,45.64397478722769]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cheboygan, Michigan | 1895 | sanborn03960_003 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:36:23Z","modified":"2026-09-22T23:36:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1927.0 -0.0,580.1 303.2,582.6 308.7,50.0 1144.8,68.2 1145.5,0.0 1628.0,0.0 1628.0,1578.8 687.1,1927.0 -0.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48066300495573,45.64429422966539]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47694493823053,45.642709717351075]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47960875915955,45.63961113958944]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48332682588475,45.64119565190376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0008__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 | 1895 | sanborn03960_003 p8 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"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":"2026-09-22T23:36:23Z","modified":"2026-09-22T23:36:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"334.4,1927.0 336.6,1459.9 1628.0,1490.3 1628.0,878.1 856.7,878.1 842.8,0.0 0.0,0.0 -0.0,1927.0 334.4,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[29.0,495.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4819388,45.6396426]}},{"type":"Feature","properties":{"resourceCoords":[335.0,1611.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4817401,45.6375143]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0008__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 | 1895 | sanborn03960_003 p8 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3371.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3140.8"},{"label":"split_canvas_h","value":"3512.4"}],"created":"2026-09-22T23:36:23Z","modified":"2026-09-22T23:36:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,878.1 1628.0,0.0 899.9,0.0 904.0,231.8 846.5,233.2 856.7,878.1 915.7,878.1 1628.0,878.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[842.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.4819507989286,45.63783394013488]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.47789270892117,45.637181747199776]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,878.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.4789317107758,45.6340032240246]}},{"type":"Feature","properties":{"resourceCoords":[842.8,878.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.48298980078322,45.63465541695971]}},{"type":"Feature","properties":{"resourceCoords":[900.8,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4817401,45.6375143]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0009__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 | 1895 | sanborn03960_003 p9 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3765.2"},{"label":"split_canvas_h","value":"4631.2"}],"created":"2026-09-22T23:36:23Z","modified":"2026-09-22T23:36:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 -0.0,1157.8 581.0,1157.2 770.2,0.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039601895:03960_1895-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[325.1,280.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4830756,45.6396747]}},{"type":"Feature","properties":{"resourceCoords":[753.2,280.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4819388,45.6396426]}}]}}]}