{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03824_008.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Pittsfield, Massachusetts | 1956 | key map | mapsnap generated fit (2026-10-24)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-24"},{"label":"run","value":"corpus-v2.2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038241956:03824_1956-0000a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Pittsfield, Massachusetts | 1956 | sanborn03824_008 p0a","metadata":[{"label":"streets","value":"117"},{"label":"intersections","value":"80"}],"created":"2026-10-24T14:54:33Z","modified":"2026-10-24T14:54:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038241956:03824_1956-0000a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038241956:03824_1956-0000a","type":"ImageService3","width":1100,"height":1387},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1387.0 0.0,0.0 1100.0,0.0 1100.0,1387.0 0.0,1387.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038241956:03824_1956-0000a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[336.5,750.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.26905,42.447615]}},{"type":"Feature","properties":{"resourceCoords":[324.2,458.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.264974,42.463854]}}]}}]}