{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn00512_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Durham, California | 1914 | 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"},{"label":"pages","value":"4"},{"label":"placed","value":"2"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p2__2 (tier 1, 39.64592,-121.79341 +/-104m); p2__3 (tier 1, 39.64106,-121.79978 +/-104m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364dm:g4364dm_g005121914:00512_1914-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Durham, California | 1914 | sanborn00512_001 p1","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"}],"created":"2026-09-23T14:00:46Z","modified":"2026-09-23T14:00:46Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364dm:g4364dm_g005121914:00512_1914-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364dm:g4364dm_g005121914:00512_1914-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 -0.0,7124.5 -0.0,-0.0 6452.0,0.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364dm:g4364dm_g005121914:00512_1914-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2752.0,7348.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.800721,39.643738]}},{"type":"Feature","properties":{"resourceCoords":[488.0,552.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8029525,39.6458732]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364dm:g4364dm_g005121914:00512_1914-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Durham, California | 1914 | sanborn00512_001 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T14:00:46Z","modified":"2026-09-23T14:00:46Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364dm:g4364dm_g005121914:00512_1914-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364dm:g4364dm_g005121914:00512_1914-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5116.0,7652.0 5663.2,7652.0 5916.8,7652.0 6452.0,7652.0 6452.0,5156.0 6452.0,4212.0 6452.0,0.0 5786.8,0.0 5818.0,420.2 429.9,380.1 401.6,0.0 0.0,-0.0 0.0,2825.6 721.2,2826.8 722.4,2884.8 722.8,2826.8 1010.8,2827.6 1514.4,2828.8 1510.4,7652.0 5116.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364dm:g4364dm_g005121914:00512_1914-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2728.0,5180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.799927,39.641626]}},{"type":"Feature","properties":{"resourceCoords":[2728.0,396.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.800721,39.643738]}}]}}]}