{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/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://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd377m:g3774m:g3774pm:g3774pm_g08099190002:08099_02_1900-0000/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd377m:g3774m:g3774pm:g3774pm_g08099190002:08099_02_1900-0000/info.json","type":"ImageService2","height":7680,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1850.7 -0.0,1265.0 0.0,1164.8 -0.0,940.0 0.0,852.1 -0.0,159.7 0.0,119.0 0.0,-0.0 2754.8,-0.0 6476.0,0.0 6476.0,7680.0 0.0,7680.0 3.2,4789.1 0.0,4793.7 -0.0,2492.6 0.0,2314.2 0.0,1850.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd377m:g3774m:g3774pm:g3774pm_g08099190002:08099_02_1900-0000/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1096.2,4032.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.41099,41.8230979]}},{"type":"Feature","properties":{"resourceCoords":[4194.6,2773.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.4014486,41.845476]}}]}}]}