{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn01004_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Glenwood Springs, Colorado | 1893 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"3"},{"label":"placed","value":"2"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1, georef-snap 1"},{"label":"key map","value":"none"},{"label":"unplaced pages","value":"p1 (tier 1, 39.55108,-107.32748 +/-252m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314gm:g010041893:01004_1893-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Glenwood Springs, Colorado | 1893 | sanborn01004_004 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-22T05:51:53Z","modified":"2026-09-22T05:51:53Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314gm:g010041893:01004_1893-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314gm:g010041893:01004_1893-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 0.0,0.0 5779.9,41.9 5780.7,585.7 6197.6,585.0 6224.8,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314gm:g010041893:01004_1893-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1132.0,2996.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-107.3268476,39.5467398]}},{"type":"Feature","properties":{"resourceCoords":[1132.0,5716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-107.3268935,39.5454366]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314gm:g010041893:01004_1893-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Glenwood Springs, Colorado | 1893 | sanborn01004_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:51:53Z","modified":"2026-09-22T05:51:53Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314gm:g010041893:01004_1893-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314gm:g010041893:01004_1893-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 439.2,7652.0 422.9,547.7 -0.0,547.8 0.0,0.0 6452.0,0.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314gm:g010041893:01004_1893-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-107.32391051928228,39.54809466145127]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-107.31995914068986,39.548015537413654]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-107.32007998280022,39.54437638715644]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-107.32403136139264,39.54445551119406]}}]}}]}