{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02512_006.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Terre Haute, Indiana | 1911 | key map | 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"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094tm:g4094tm_g02512191102:02512_02_1911-0000/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Terre Haute, Indiana | 1911 | sanborn02512_006 p0","metadata":[{"label":"streets","value":"95"},{"label":"intersections","value":"742"}],"created":"2026-10-18T09:55:33Z","modified":"2026-10-18T09:55:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094tm:g4094tm_g02512191102:02512_02_1911-0000/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094tm:g4094tm_g02512191102:02512_02_1911-0000","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1949.0 0.0,0.0 1668.0,0.0 1668.0,1949.0 0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094tm:g4094tm_g02512191102:02512_02_1911-0000/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[520.0,926.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.4112145,39.4555974]}},{"type":"Feature","properties":{"resourceCoords":[1227.5,211.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.3883275,39.4739197]}}]}}]}