{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn05276_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Austin, Nevada | 1941 | 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"},{"label":"pages","value":"2"},{"label":"placed","value":"1"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 39.49326,-117.07112 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd435m:g4354m:g4354am:g052761941:05276_1941-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Nevada | 1941 | sanborn05276_004 p1 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-09-21T03:58:40Z","modified":"2026-09-21T03:58:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd435m:g4354m:g4354am:g052761941:05276_1941-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd435m:g4354m:g4354am:g052761941:05276_1941-0001/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6512.0,0.0 -0.0,-0.0 -0.0,7708.0 4762.4,7708.0 4762.4,4319.6 6512.0,4314.4 6512.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd435m:g4354m:g4354am:g052761941:05276_1941-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2528.0,4056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.0712735,39.492926]}},{"type":"Feature","properties":{"resourceCoords":[4272.0,1736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.0718113,39.4942142]}}]}}]}