{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08089_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Narragansett Pier, Rhode-Island | 1903 | key map | mapsnap generated fit (2026-09-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-20"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891903:08089_1903-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Narragansett Pier, Rhode-Island | 1903 | sanborn08089_005 p1 [2]","metadata":[{"label":"streets","value":"28"},{"label":"intersections","value":"33"},{"label":"split_canvas_x","value":"4085.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2792.7"},{"label":"split_canvas_h","value":"8074.1"}],"created":"2026-09-20T16:56:22Z","modified":"2026-09-20T16:56:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891903:08089_1903-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891903:08089_1903-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,1913 1613,0.0 1022.8,0.0 1021.5,498.7 1021.5,501.8 1230.2,1014.0 1237.5,1913 1613,1913\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891903:08089_1903-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1491.8,926.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.455894,41.424831]}},{"type":"Feature","properties":{"resourceCoords":[1476.5,1102.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.45638,41.4205286]}}]}}]}