{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn01033_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Littleton, Colorado | 1900 | 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":"3"},{"label":"placed","value":"2"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1, georef-snap 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, 39.61326,-105.01747 +/-158m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314lm:g010331900:01033_1900-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Littleton, Colorado | 1900 | sanborn01033_002 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"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":"2026-09-21T11:09:10Z","modified":"2026-09-21T11:09:10Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314lm:g010331900:01033_1900-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314lm:g010331900:01033_1900-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7347.0 -0.0,7652.0 2512.0,7652.0 3472.0,7652.0 3810.4,7652.0 3813.2,6181.2 6452.0,6181.2 6452.0,0.0 -0.0,-0.0 -0.0,1080.5 472.5,1083.5 513.3,5169.2 898.3,5186.6 885.0,7352.7 -0.0,7347.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314lm:g010331900:01033_1900-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2284.0,3040.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.0162004,39.6136984]}},{"type":"Feature","properties":{"resourceCoords":[492.0,3040.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.0172985,39.6137116]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314lm:g010331900:01033_1900-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Littleton, Colorado | 1900 | sanborn01033_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:09:10Z","modified":"2026-09-21T11:09:10Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314lm:g010331900:01033_1900-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314lm:g010331900:01033_1900-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,-0.0 6452.0,7652.0 -0.0,7652.0 -0.0,467.9 4206.4,399.4 4221.7,-0.0 6452.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd431m:g4314m:g4314lm:g010331900:01033_1900-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.01701532096371,39.614630349682564]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.01709894275912,39.61167341988967]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.02161927768394,39.611750359696586]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.02153565588853,39.61470728948948]}}]}}]}