{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn02315_006.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Decatur, Indiana | 1914 | key map | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094dm:g4094dm_g023151914:02315_1914-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Decatur, Indiana | 1914 | sanborn02315_006 p1","metadata":[{"label":"streets","value":"34"},{"label":"intersections","value":"82"}],"created":"2026-09-23T09:37:27Z","modified":"2026-09-23T09:37:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094dm:g4094dm_g023151914:02315_1914-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094dm:g4094dm_g023151914:02315_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094dm:g4094dm_g023151914:02315_1914-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[777.0,1249.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.918917,40.825866]}},{"type":"Feature","properties":{"resourceCoords":[278.6,930.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.9339503,40.8309156]}}]}}]}