{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn01076_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Silverton, Colorado | 1890 | 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":"6"},{"label":"placed","value":"3"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 2, georef-street 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 37.81184,-107.66373 +/-211m); p3__2 (tier 4, 37.81184,-107.66373 +/-211m); p3__3 (tier 4, 37.81184,-107.66373 +/-211m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314sm:g010761890:01076_1890-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Silverton, Colorado | 1890 | sanborn01076_003 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"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":"2026-09-22T09:30:07Z","modified":"2026-09-22T09:30:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314sm:g010761890:01076_1890-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314sm:g010761890:01076_1890-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 3637.2,7652.0 3696.0,1738.0 6452.0,1729.6 6452.0,-0.0 4707.4,-0.0 4687.5,1222.1 3635.0,1204.9 3484.9,977.8 309.8,813.2 278.7,7159.3 -0.0,7154.9 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314sm:g010761890:01076_1890-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1948.0,2848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-107.6635211,37.8111359]}},{"type":"Feature","properties":{"resourceCoords":[272.0,2848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-107.6644036,37.8116381]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314sm:g010761890:01076_1890-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Silverton, Colorado | 1890 | sanborn01076_003 p2","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"}],"created":"2026-09-22T09:30:07Z","modified":"2026-09-22T09:30:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314sm:g010761890:01076_1890-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314sm:g010761890:01076_1890-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2767.2,-0.0 2767.1,632.5 5569.5,621.7 5648.8,7652.0 -0.0,7652.0 -0.0,0.0 2767.2,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314sm:g010761890:01076_1890-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-107.6660143,37.8142475]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-107.6629794,37.8124619]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-107.6656599,37.8096182]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-107.6686948,37.8114038]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314sm:g010761890:01076_1890-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Silverton, Colorado | 1890 | sanborn01076_003 p3 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"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":"2026-09-22T09:30:07Z","modified":"2026-09-22T09:30:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314sm:g010761890:01076_1890-0003__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314sm:g010761890:01076_1890-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"248.7,6316.8 -0.0,6487.0 -0.0,7652.0 5353.6,7652.0 5351.6,6490.0 5348.8,5005.2 4754.0,5002.8 4740.4,3538.8 6452.0,3524.0 6452.0,0.0 361.3,0.0 248.7,6316.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314sm:g010761890:01076_1890-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4872.0,2736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-107.6620647,37.814166]}},{"type":"Feature","properties":{"resourceCoords":[2696.0,6524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-107.6610451,37.8123068]}}]}}]}