{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02517_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Upland, Indiana | 1920 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"8"},{"label":"placed","value":"5"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p2__1 (tier 1, 40.47640,-85.49218 +/-113m); p2__6 (tier 1, 40.47181,-85.49627 +/-100m); p2__7 (tier 1, 40.47755,-85.49441 +/-147m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Upland, Indiana | 1920 | sanborn02517_004 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:30:57Z","modified":"2026-10-22T13:30:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.3,338.2 110.2,55.3 1472.1,67.0 1563.8,239.8 1561.3,534.4 1542.6,534.7 1551.0,895.0 1559.2,894.9 1565.7,1702.2 1521.5,1830.8 754.1,1881.6 760.8,1912.0 759.4,1912.0 574.8,1804.4 574.8,1810.0 248.4,1824.7 52.6,1753.8 72.6,1094.7 91.8,1094.7 82.0,564.2 78.3,338.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[572.0,1047.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.4944536999528,40.475266223705084]}},{"type":"Feature","properties":{"resourceCoords":[100.0,1047.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.49562135217009,40.4752586242664]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Upland, Indiana | 1920 | sanborn02517_004 p2 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.63"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4002.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2449.2"},{"label":"split_canvas_h","value":"2847.2"}],"created":"2026-10-22T13:30:57Z","modified":"2026-10-22T13:30:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1543.7,708.0 1529.3,195.2 1524.2,1.0 1524.0,1.0 1517.5,35.7 1039.8,50.0 1081.5,167.8 1026.6,673.7 1525.2,708.1 1534.5,708.0 1543.7,708.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1066.6,649.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.4968623,40.4752828]}},{"type":"Feature","properties":{"resourceCoords":[1542.1,649.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.4956445,40.4752819]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Upland, Indiana | 1920 | sanborn02517_004 p2 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.81"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1604.4"},{"label":"split_canvas_w","value":"1704.0"},{"label":"split_canvas_h","value":"1431.6"}],"created":"2026-10-22T13:30:57Z","modified":"2026-10-22T13:30:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"93.9,758.0 102.0,758.0 102.2,698.8 404.8,739.9 422.5,556.8 396.9,422.3 107.7,416.7 89.5,403.4 93.9,758.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,401.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.49228843285478,40.476246951963006]}},{"type":"Feature","properties":{"resourceCoords":[426.0,401.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.49121794761959,40.47626274579261]}},{"type":"Feature","properties":{"resourceCoords":[426.0,759.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.49120049999172,40.475578395282916]}},{"type":"Feature","properties":{"resourceCoords":[0.0,759.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.49227098522691,40.47556260145331]}},{"type":"Feature","properties":{"resourceCoords":[69.0,445.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.4921129,40.4761654]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Upland, Indiana | 1920 | sanborn02517_004 p2 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.22"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1704.0"},{"label":"split_canvas_y","value":"1586.8"},{"label":"split_canvas_w","value":"2298.8"},{"label":"split_canvas_h","value":"2208.0"}],"created":"2026-10-22T13:30:57Z","modified":"2026-10-22T13:30:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"434.7,880.2 448.6,930.9 994.5,941.0 990.0,410.1 957.2,424.1 953.4,445.8 819.5,447.8 802.0,404.2 494.6,400.6 486.8,451.1 436.6,417.9 435.5,511.8 489.7,512.5 488.6,606.4 434.8,573.2 434.7,880.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[808.8,545.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.4951465,40.4591745]}},{"type":"Feature","properties":{"resourceCoords":[564.9,545.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.4963422,40.4591637]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Upland, Indiana | 1920 | sanborn02517_004 p2 [5]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2830.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4821.2"}],"created":"2026-10-22T13:30:57Z","modified":"2026-10-22T13:30:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1000.7,1451.3 1000.7,1452.2 1000.7,1452.6 1000.2,1452.6 211.0,1452.8 39.3,1504.5 26.6,1691.1 114.7,1905.4 1520.8,1885.2 1556.3,1067.4 1519.0,912.6 1330.7,807.4 1330.8,813.0 1004.4,833.5 1052.0,849.8 1105.3,1186.3 1000.7,1451.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094um:g4094um_g025171920:02517_1920-0002__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[400.0,1743.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.4967526,40.4720968]}},{"type":"Feature","properties":{"resourceCoords":[1349.0,1547.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.4944025,40.4724488]}}]}}]}