{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08077_004.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bristol, Rhode-Island | 1903 | 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:gmd377m:g3774m:g3774bm:g3774bm_g080771903:08077_1903-0000__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Rhode-Island | 1903 | sanborn08077_004 p0 [2]","metadata":[{"label":"streets","value":"38"},{"label":"intersections","value":"71"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6878.4"},{"label":"split_canvas_h","value":"8074.1"}],"created":"2026-09-23T05:11:59Z","modified":"2026-09-23T05:11:59Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd377m:g3774m:g3774bm:g3774bm_g080771903:08077_1903-0000__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd377m:g3774m:g3774bm:g3774bm_g080771903:08077_1903-0000/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,3105.2 3722.8,3100.9 3929.0,4803.1 3929.0,8074.1 6878.4,8074.1 6878.4,0.0 0.0,0.0 0.0,3105.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd377m:g3774m:g3774bm:g3774bm_g080771903:08077_1903-0000__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1562.3,1109.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.2712387,41.6715078]}},{"type":"Feature","properties":{"resourceCoords":[960.8,597.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.277717,41.673651]}}]}}]}