{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03852_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"South Farmington, Massachusetts | 1909 | key map | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038521909:03852_1909-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"South Farmington, Massachusetts | 1909 | sanborn03852_005 p1","metadata":[{"label":"streets","value":"55"},{"label":"intersections","value":"52"}],"created":"2026-10-20T03:18:53Z","modified":"2026-10-20T03:18:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038521909:03852_1909-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038521909:03852_1909-0001","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:gmd376m:g3764m:g3764sm:g038521909:03852_1909-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[476.1,911.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.4130112,42.2702527]}},{"type":"Feature","properties":{"resourceCoords":[523.1,630.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.4167767,42.2780054]}}]}}]}