{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02250_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ambia, Indiana | 1901 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"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, 40.49036,-87.51746 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g02250002:sb000010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ambia, Indiana | 1901 | sanborn02250_002 p1 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.64"},{"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":"8640.0"},{"label":"split_canvas_h","value":"10264.0"}],"created":"2026-10-18T06:28:27Z","modified":"2026-10-18T06:28:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g02250002:sb000010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g02250002:sb000010","type":"ImageService3","width":2160,"height":2566},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2104.2,2505.5 2124.6,720.5 2106.6,664.0 2104.7,664.0 1785.1,664.0 1784.7,660.2 1777.7,660.1 1615.5,56.9 601.0,26.5 102.3,86.6 66.2,2425.8 131.1,2501.7 2104.2,2505.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g02250002:sb000010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1438.0,916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5167913,40.4908917]}},{"type":"Feature","properties":{"resourceCoords":[2077.0,916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.515585,40.4909022]}}]}}]}