{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05312_004.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Berlin, New-Hampshire | 1901 | 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:gmd374m:g3744m:g3744bm:g3744bm_g053121901:05312_1901-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Berlin, New-Hampshire | 1901 | sanborn05312_004 p1","metadata":[{"label":"streets","value":"52"},{"label":"intersections","value":"69"}],"created":"2026-09-23T10:13:17Z","modified":"2026-09-23T10:13:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744bm:g3744bm_g053121901:05312_1901-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744bm:g3744bm_g053121901:05312_1901-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"596.2,1913.0 -0.0,1913.0 0.0,-0.0 1613.0,-0.0 1613.0,1913.0 596.2,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744bm:g3744bm_g053121901:05312_1901-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[404.1,1664.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1865113,44.470002]}},{"type":"Feature","properties":{"resourceCoords":[277.6,240.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.167146,44.485722]}}]}}]}