{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08099_004.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Providence, Rhode-Island | 1900 | key map | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774pm:g3774pm_g08099190002:08099_02_1900-0000/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Providence, Rhode-Island | 1900 | sanborn08099_004 p0","metadata":[{"label":"streets","value":"272"},{"label":"intersections","value":"377"}],"created":"2026-09-21T10:39:12Z","modified":"2026-09-21T10:39:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774pm:g3774pm_g08099190002:08099_02_1900-0000/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774pm:g3774pm_g08099190002:08099_02_1900-0000","type":"ImageService3","width":1619,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,462.7 -0.0,316.2 0.0,291.2 -0.0,235.0 0.0,213.0 -0.0,39.9 0.0,29.8 0.0,-0.0 688.7,-0.0 1619.0,0.0 1619.0,1920.0 0.0,1920.0 0.8,1197.3 0.0,1198.4 -0.0,623.1 0.0,578.5 0.0,462.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774pm:g3774pm_g08099190002:08099_02_1900-0000/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[274.1,1008.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.41099,41.8230979]}},{"type":"Feature","properties":{"resourceCoords":[1048.7,693.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.4014486,41.845476]}}]}}]}