{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03994_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"East Tawas, Michigan | 1910 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"13"},{"label":"placed","value":"7"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef-snap 3, georef 3, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 44.28142,-83.49421 +/-2119m); p1__3 (tier 1, 44.28525,-83.47884 +/-100m); p6__2 (tier 1, 44.28054,-83.48559 +/-113m); p7__2 (tier 1, 44.28741,-83.49359 +/-222m); p8 (tier 2, 44.28980,-83.49576 +/-100m); p9 (tier 1, 44.28365,-83.49866 +/-228m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Tawas, Michigan | 1910 | sanborn03994_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:58:56Z","modified":"2026-10-18T21:58:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"881.1,52.0 1573.9,56.5 1586.6,540.5 1592.5,1026.4 1594.8,1507.5 1599.2,1887.9 51.0,1864.0 32.6,256.9 83.6,48.7 881.1,52.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[888.0,1028.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.4939006426172,44.282629171840846]}},{"type":"Feature","properties":{"resourceCoords":[888.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.49138078347914,44.28301496860811]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Tawas, Michigan | 1910 | sanborn03994_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:58:56Z","modified":"2026-10-18T21:58:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"73.2,1487.3 72.9,999.8 68.9,507.5 58.1,17.1 592.0,21.4 1230.1,28.8 1375.8,29.1 1560.5,73.3 1599.0,171.7 1527.2,912.6 1590.0,1345.9 1533.2,1640.6 1571.9,1806.4 1517.4,1884.4 1222.9,1895.1 76.0,1872.7 73.2,1487.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1284.0,1002.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.49285296298586,44.2791617187015]}},{"type":"Feature","properties":{"resourceCoords":[597.0,32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.49079029751816,44.28077995881327]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Tawas, Michigan | 1910 | sanborn03994_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:58:56Z","modified":"2026-10-18T21:58:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"100.0,1800.2 41.5,1660.0 62.9,49.7 212.6,15.7 915.0,94.2 914.9,100.8 1383.9,155.5 1383.9,341.9 1377.1,870.2 1492.8,1359.2 1593.0,1805.5 1597.8,1850.8 897.9,1840.7 92.3,1830.9 100.0,1800.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[220.0,1354.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.49056830848627,44.28444107987993]}},{"type":"Feature","properties":{"resourceCoords":[902.0,364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.48769146609706,44.28360769805296]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Tawas, Michigan | 1910 | sanborn03994_005 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:58:56Z","modified":"2026-10-18T21:58:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1437.0,1843.5 798.0,1832.0 263.4,1824.2 258.6,1778.6 159.3,1330.2 44.4,838.8 52.6,308.3 53.1,112.1 799.6,94.5 799.5,113.9 1485.9,123.3 1490.4,17.2 1539.6,65.8 1569.6,733.8 1533.2,1830.0 1583.0,1844.8 1437.0,1843.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[798.0,354.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.4870598,44.2813904]}},{"type":"Feature","properties":{"resourceCoords":[798.0,1832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.4907665,44.2807932]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Tawas, Michigan | 1910 | sanborn03994_005 p6 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-18T21:58:56Z","modified":"2026-10-18T21:58:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"129.0,1205.9 109.8,1206.1 110.6,1886.0 232.8,1889.0 1572.6,1891.0 1609.0,1008.6 1561.4,954.5 1362.0,954.5 1089.0,954.5 1087.0,951.3 1028.3,26.7 142.6,41.6 146.6,1.0 139.9,1.0 91.5,467.1 100.4,467.0 129.0,1205.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[356.0,1204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.4858323,44.2815823]}},{"type":"Feature","properties":{"resourceCoords":[838.0,1872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.4842526,44.2805508]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Tawas, Michigan | 1910 | sanborn03994_005 p7 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.64"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4556.4"},{"label":"split_canvas_h","value":"3834.4"}],"created":"2026-10-18T21:58:56Z","modified":"2026-10-18T21:58:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"891.4,14.8 50.1,33.9 49.6,792.3 127.3,838.4 122.8,936.5 907.4,943.4 970.7,318.9 989.7,283.1 989.7,283.1 989.8,283.0 997.4,283.5 1010.9,284.5 1104.2,204.8 1114.0,111.8 891.4,14.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.51546288791494,44.27121309462131]}},{"type":"Feature","properties":{"resourceCoords":[1139.1,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.5133932200717,44.26971834861998]}},{"type":"Feature","properties":{"resourceCoords":[1139.1,958.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.51515406623416,44.26847286963719]}},{"type":"Feature","properties":{"resourceCoords":[0.0,958.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.51722373407739,44.26996761563852]}},{"type":"Feature","properties":{"resourceCoords":[776.1,372.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.5147377,44.2697103]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0007__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Tawas, Michigan | 1910 | sanborn03994_005 p7 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.23"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3737.2"},{"label":"split_canvas_w","value":"4642.0"},{"label":"split_canvas_h","value":"3970.8"}],"created":"2026-10-18T21:58:56Z","modified":"2026-10-18T21:58:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0007__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"614.2,992.7 39.0,970.5 65.0,1920.8 1129.2,1897.6 1132.4,1481.9 662.0,1462.4 566.5,1272.1 636.3,1215.9 567.2,1136.0 614.2,992.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114em:g039941910:03994_1910-0007__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,934.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.49573687392962,44.28927007682098]}},{"type":"Feature","properties":{"resourceCoords":[1160.5,934.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.49622863004807,44.291351942716055]}},{"type":"Feature","properties":{"resourceCoords":[1160.5,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.49375643901487,44.291655403806786]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.49326468289642,44.289573537911714]}}]}}]}