{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04621_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Conception Junction, Missouri | 1914 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"3"},{"label":"placed","value":"3"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g046211914:04621_1914-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Conception Junction, Missouri | 1914 | sanborn04621_001 p1 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.80"},{"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":"1099.6"},{"label":"split_canvas_h","value":"1340.0"}],"created":"2026-10-17T23:50:04Z","modified":"2026-10-17T23:50:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g046211914:04621_1914-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g046211914:04621_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"64.3,16.4 63.0,88.7 8.5,68.2 12.8,321.8 263.0,231.3 252.8,51.9 64.3,16.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g046211914:04621_1914-0001__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":[-94.69010896094788,40.26658784199456]}},{"type":"Feature","properties":{"resourceCoords":[274.9,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.69009758033312,40.267103367133465]}},{"type":"Feature","properties":{"resourceCoords":[274.9,335.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.68927342975125,40.267092803015856]}},{"type":"Feature","properties":{"resourceCoords":[0.0,335.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.68928481036602,40.26657727787695]}},{"type":"Feature","properties":{"resourceCoords":[69.0,301.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.6893656,40.2667077]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g046211914:04621_1914-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Conception Junction, Missouri | 1914 | sanborn04621_001 p1 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.77"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-17T23:50:04Z","modified":"2026-10-17T23:50:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g046211914:04621_1914-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g046211914:04621_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1230.5,1876.0 1229.5,1814.0 1492.8,1766.5 1494.2,1861.5 1553.5,1848.5 1587.2,1679.3 1575.4,579.5 1500.9,89.5 634.6,31.2 335.1,95.1 376.6,373.1 310.0,762.9 414.6,878.4 460.6,884.6 508.2,884.2 505.6,890.8 510.2,891.4 411.9,1142.4 402.9,1152.0 104.2,1155.1 61.3,1221.8 46.2,1618.1 122.6,1792.8 542.1,1880.8 1230.5,1876.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g046211914:04621_1914-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1047.0,1075.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.6915662,40.2688502]}},{"type":"Feature","properties":{"resourceCoords":[607.0,1693.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.6926529,40.2677274]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g046211914:04621_1914-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Conception Junction, Missouri | 1914 | sanborn04621_001 p1 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.37"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1340.0"},{"label":"split_canvas_w","value":"2032.8"},{"label":"split_canvas_h","value":"3268.0"}],"created":"2026-10-17T23:50:04Z","modified":"2026-10-17T23:50:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g046211914:04621_1914-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g046211914:04621_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"507.2,884.3 440.8,884.8 436.3,884.9 424.9,940.5 319.1,968.9 206.1,905.6 240.7,531.6 254.1,529.0 254.1,437.6 1.0,479.1 1.0,539.0 14.9,539.1 29.9,1075.2 284.0,1103.0 403.9,1060.5 453.1,940.5 486.1,940.4 507.2,886.8 507.2,885.5 507.2,884.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g046211914:04621_1914-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[254.1,884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.6905223,40.2667102]}},{"type":"Feature","properties":{"resourceCoords":[254.1,369.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.6905202,40.267695]}}]}}]}