{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02421_002.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mishawaka, Indiana | 1891 | key map | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024211891:02421_1891-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mishawaka, Indiana | 1891 | sanborn02421_002 p1 [2]","metadata":[{"label":"streets","value":"21"},{"label":"intersections","value":"55"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6878.4"},{"label":"split_canvas_h","value":"8074.1"}],"created":"2026-10-19T02:17:09Z","modified":"2026-10-19T02:17:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024211891:02421_1891-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024211891:02421_1891-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 0.0,1049.9 658.4,1049.9 878.5,1193.2 878.5,1913 1613,1913 1613,0.0 1078.5,0.0 1048.0,0.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024211891:02421_1891-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[476.4,803.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1819896,41.6601155]}},{"type":"Feature","properties":{"resourceCoords":[600.4,171.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1796168,41.6688158]}}]}}]}