{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn04594_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Calhoun, Missouri | 1909 | 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":"2"},{"label":"placed","value":"1"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 38.46691,-93.62427 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g045941909:04594_1909-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Calhoun, Missouri | 1909 | sanborn04594_003 p1 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"25"},{"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":"2026-09-21T11:51:39Z","modified":"2026-09-21T11:51:39Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g045941909:04594_1909-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g045941909:04594_1909-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 6452.0,7652.0 6452.0,-0.0 1668.4,0.0 1670.8,1512.4 1338.0,1832.4 0.0,1847.2 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd416m:g4164m:g4164cm:g4164cm_g045941909:04594_1909-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2420.0,5428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.6252095,38.467337]}},{"type":"Feature","properties":{"resourceCoords":[6184.0,1508.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.622976,38.465447]}}]}}]}