{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03426_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Augusta, Maine | 1910 | 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:g3734am:g3734am_g034261910:03426_1910-0000/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Augusta, Maine | 1910 | sanborn03426_005 p0","metadata":[{"label":"streets","value":"83"},{"label":"intersections","value":"129"}],"created":"2026-09-23T02:40:41Z","modified":"2026-09-23T02:40:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734am:g3734am_g034261910:03426_1910-0000/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734am:g3734am_g034261910:03426_1910-0000/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:g3734am:g3734am_g034261910:03426_1910-0000/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1495.5,2598.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.7803767,44.3130417]}},{"type":"Feature","properties":{"resourceCoords":[2642.8,2647.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.7696443,44.3104702]}}]}}]}