{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03433_006.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Biddeford, Maine | 1912 | 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://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034331912:03433_1912-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Biddeford, Maine | 1912 | sanborn03433_006 p1","metadata":[{"label":"streets","value":"67"},{"label":"intersections","value":"110"}],"created":"2026-09-23T09:23:25Z","modified":"2026-09-23T09:23:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034331912:03433_1912-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034331912:03433_1912-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 0.0,0.0 6452.0,0.0 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034331912:03433_1912-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3259.0,6382.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.4489675,43.4904323]}},{"type":"Feature","properties":{"resourceCoords":[1894.6,5030.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.4655949,43.4969638]}}]}}]}