{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03955_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Central Lake, Michigan | 1907 | 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":"9"},{"label":"placed","value":"4"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p2__2 (tier 2, 45.07144,-85.26275 +/-100m); p2__3 (tier 2, 45.07144,-85.26275 +/-100m); p2__4 (tier 2, 45.07144,-85.26275 +/-100m); p2__6 (tier 2, 45.07144,-85.26275 +/-100m); p2__7 (tier 2, 45.07144,-85.26275 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_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":"Central Lake, Michigan | 1907 | sanborn03955_002 p1 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.53"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6450.4"},{"label":"split_canvas_w","value":"2418.0"},{"label":"split_canvas_h","value":"1257.6"}],"created":"2026-10-18T16:16:12Z","modified":"2026-10-18T16:16:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_1907-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_1907-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"447.5,1926.0 507.4,1926.0 507.6,1640.5 507.5,1629.5 14.0,1634.2 12.6,1923.1 447.5,1926.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_1907-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1612.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.26813609728214,45.07019892331655]}},{"type":"Feature","properties":{"resourceCoords":[604.5,1612.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.26650136775288,45.07020449900373]}},{"type":"Feature","properties":{"resourceCoords":[604.5,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.26649726280768,45.06960256718468]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.26813199233693,45.069596991497505]}},{"type":"Feature","properties":{"resourceCoords":[507.6,1640.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2667631,45.0701501]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_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":"Central Lake, Michigan | 1907 | sanborn03955_002 p1 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.82"},{"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":"2026-10-18T16:16:12Z","modified":"2026-10-18T16:16:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_1907-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_1907-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.5,1299.4 56.5,1299.8 83.5,1603.1 597.5,1613.5 598.3,1615.8 600.2,1615.8 600.3,1621.7 668.6,1823.9 1298.1,1892.9 1566.2,1865.5 1605.4,178.8 1533.9,33.5 143.6,68.5 55.5,256.2 57.3,994.7 56.5,1299.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_1907-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[625.0,604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2652721,45.0709056]}},{"type":"Feature","properties":{"resourceCoords":[625.0,1008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2652656,45.0701529]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_1907-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Central Lake, Michigan | 1907 | sanborn03955_002 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.06"},{"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":"3696.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-18T16:16:12Z","modified":"2026-10-18T16:16:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_1907-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_1907-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"72.0,318.3 86.2,1738.0 134.7,1680.2 281.1,1682.5 284.2,1719.1 379.2,1731.6 522.1,1726.5 548.1,1697.7 649.4,1545.5 630.5,1351.2 676.6,1212.8 683.0,1068.0 683.1,1068.0 803.4,1064.7 848.1,1014.1 875.9,644.8 763.6,566.2 562.4,563.0 499.0,563.0 499.0,562.0 496.4,562.0 498.4,441.2 459.1,378.3 459.7,103.8 226.3,45.2 109.2,61.4 102.1,318.6 72.0,318.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_1907-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[120.0,558.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2628614,45.0661575]}},{"type":"Feature","properties":{"resourceCoords":[120.0,1026.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.262823,45.064433]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_1907-0002__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Central Lake, Michigan | 1907 | sanborn03955_002 p2 [5]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.63"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3682.0"},{"label":"split_canvas_y","value":"1902.0"},{"label":"split_canvas_w","value":"2830.0"},{"label":"split_canvas_h","value":"2110.0"}],"created":"2026-10-18T16:16:12Z","modified":"2026-10-18T16:16:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_1907-0002__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_1907-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1521.2,518.5 1415.1,531.8 968.0,494.9 1008.5,619.0 946.0,715.0 951.4,997.1 1495.0,1000.2 1495.1,1002.0 1551.8,1002.0 1560.3,518.5 1521.2,518.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551907:03955_1907-0002__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1588.0,518.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2628814,45.067987]}},{"type":"Feature","properties":{"resourceCoords":[1138.3,518.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2641293,45.067982]}}]}}]}