{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03949_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Caspian, Michigan | 1922 | 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":"15"},{"label":"placed","value":"6"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef 4, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p3__1 (tier 1, 46.06298,-88.63387 +/-119m); p3__5 (tier 1, 46.05902,-88.62680 +/-125m); p3__6 (tier 1, 46.05875,-88.62266 +/-108m); p4__1 (tier 4, 46.06228,-88.62396 +/-1528m); p4__2 (tier 4, 46.06228,-88.62396 +/-1528m); p4__3 (tier 4, 46.06228,-88.62396 +/-1528m); p5__2 (tier 4, 46.06228,-88.62396 +/-1528m); p5__3 (tier 4, 46.06228,-88.62396 +/-1528m); p5__4 (tier 4, 46.06228,-88.62396 +/-1528m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Caspian, Michigan | 1922 | sanborn03949_001 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:20:32Z","modified":"2026-09-22T07:20:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1340.6,431.5 1190.1,0.0 1628.0,0.0 1628.0,1927.0 -0.0,1927.0 -0.0,1349.8 1340.6,431.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.6301863498377,46.065337254559374]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.62588834938762,46.065394206320335]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.62579187561236,46.06183937524442]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.63008987606244,46.06178242348346]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Caspian, Michigan | 1922 | sanborn03949_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:20:32Z","modified":"2026-09-22T07:20:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1023.6,1886.6 -0.0,1927.0 -0.0,-0.0 1628.0,-0.0 1504.2,369.8 1522.6,1553.4 1628.0,1590.2 1628.0,1927.0 1102.9,1920.5 1023.6,1886.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.62764491162774,46.066511819856245]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.62613786724563,46.06366803330081]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.63095519083974,46.06242159195354]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.63246223522185,46.065265378508975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Caspian, Michigan | 1922 | sanborn03949_001 p3 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"20"},{"label":"split_canvas_x","value":"3290.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3221.2"},{"label":"split_canvas_h","value":"3242.4"}],"created":"2026-09-22T07:20:32Z","modified":"2026-09-22T07:20:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,718.4 1311.7,0.0 822.7,0.0 829.6,810.4 1157.9,810.5 1628.0,810.6 1628.0,718.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1432.2,276.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.6318501,46.064288]}},{"type":"Feature","properties":{"resourceCoords":[1173.4,370.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.6325124,46.064147]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0003__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Caspian, Michigan | 1922 | sanborn03949_001 p3 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3240.8"},{"label":"split_canvas_w","value":"4651.2"},{"label":"split_canvas_h","value":"1435.6"}],"created":"2026-09-22T07:20:32Z","modified":"2026-09-22T07:20:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0003__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1169.1 924.3,1164.7 1162.8,1163.5 1159.4,917.3 1122.2,918.1 1121.8,878.2 646.9,878.2 -0.0,944.3 -0.0,1169.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0003__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1121.8,878.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.6259881,46.0619114]}},{"type":"Feature","properties":{"resourceCoords":[646.9,878.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.6272681,46.0619151]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0003__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Caspian, Michigan | 1922 | sanborn03949_001 p3 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4631.6"},{"label":"split_canvas_y","value":"3242.0"},{"label":"split_canvas_w","value":"1880.4"},{"label":"split_canvas_h","value":"1926.0"}],"created":"2026-09-22T07:20:32Z","modified":"2026-09-22T07:20:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0003__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,810.6 1157.9,810.5 1162.8,1163.5 1164.6,1292.0 1628.0,1291.5 1628.0,810.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0003__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1157.9,810.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.6222349872297,46.0620045864222]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,810.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.62097219025156,46.062011008780416]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1292.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.62096270113275,46.061115944063914]}},{"type":"Feature","properties":{"resourceCoords":[1157.9,1292.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.6222254981109,46.061109521705696]}},{"type":"Feature","properties":{"resourceCoords":[1216.8,866.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.6220757,46.0619014]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Caspian, Michigan | 1922 | sanborn03949_001 p5 [1]","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":"4627.6"}],"created":"2026-09-22T07:20:32Z","modified":"2026-09-22T07:20:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,0.0 -0.0,-0.0 0.0,741.0 502.6,745.5 674.0,860.2 674.4,1152.1 950.2,1155.5 1064.2,1156.9 1068.4,635.1 1628.0,642.1 1628.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039491922:03949_1922-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[277.0,525.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.6064644,46.0584022]}},{"type":"Feature","properties":{"resourceCoords":[277.0,76.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.6064303,46.0592341]}}]}}]}