{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04392_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Springfield, Minnesota | 1899 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"7"},{"label":"placed","value":"3"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 44.24066,-94.97680 +/-217m); p1__2 (tier 4, 44.24066,-94.97680 +/-217m); p2__1 (tier 2, 44.23955,-94.97522 +/-100m); p3__2 (tier 4, 44.24066,-94.97680 +/-217m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144sm:g043921899:04392_1899-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Springfield, Minnesota | 1899 | sanborn04392_002 p1 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2460.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5192.0"}],"created":"2026-09-21T16:18:01Z","modified":"2026-09-21T16:18:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144sm:g043921899:04392_1899-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144sm:g043921899:04392_1899-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,719.6 1521.2,720.7 1136.9,721.3 1134.8,615.0 481.4,615.0 -0.0,615.0 -0.0,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144sm:g043921899:04392_1899-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,615.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.98021328472879,44.24020446221798]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,615.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.97564536038888,44.24020044940806]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.9756498750049,44.237567174265166]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.98021779934481,44.23757118707509]}},{"type":"Feature","properties":{"resourceCoords":[389.0,1748.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.9791156,44.2379047]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144sm:g043921899:04392_1899-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Springfield, Minnesota | 1899 | sanborn04392_002 p2 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3494.0"},{"label":"split_canvas_y","value":"5271.6"},{"label":"split_canvas_w","value":"2958.0"},{"label":"split_canvas_h","value":"2380.4"}],"created":"2026-09-21T16:18:01Z","modified":"2026-09-21T16:18:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144sm:g043921899:04392_1899-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144sm:g043921899:04392_1899-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1408.0,1913.0 1413.2,1854.5 1613.0,1873.0 1613.0,1390.5 1455.9,1376.3 1461.1,1318.0 1259.2,1318.1 873.5,1351.2 881.7,1913.0 1408.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144sm:g043921899:04392_1899-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1192.3,1352.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.9778425,44.2420103]}},{"type":"Feature","properties":{"resourceCoords":[1192.3,1834.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.9776873,44.2409788]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144sm:g043921899:04392_1899-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Springfield, Minnesota | 1899 | sanborn04392_002 p3 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"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":"2026-09-21T16:18:01Z","modified":"2026-09-21T16:18:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144sm:g043921899:04392_1899-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144sm:g043921899:04392_1899-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"501.9,1913.0 617.0,1913.0 1613.0,1913.0 1613.0,419.2 1317.1,419.7 1309.0,0.0 -0.0,-0.0 -0.0,747.5 177.3,747.6 225.6,1288.5 -0.0,1287.8 -0.0,1809.8 503.8,1818.0 501.9,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144sm:g043921899:04392_1899-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[910.0,1295.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.9745844,44.2410041]}},{"type":"Feature","properties":{"resourceCoords":[365.0,748.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.9760696,44.2420326]}}]}}]}