{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn09331_009.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Spokane, Washington | 1910 | key map | 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"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331191002:09331_02_1910-0000__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1910 | sanborn09331_009 p0 [1]","metadata":[{"label":"streets","value":"111"},{"label":"intersections","value":"1326"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6006.9"},{"label":"split_canvas_h","value":"8405.1"}],"created":"2026-09-21T07:40:18Z","modified":"2026-09-21T07:40:18Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331191002:09331_02_1910-0000__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331191002:09331_02_1910-0000/info.json","type":"ImageService2","height":7984,"width":5576},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4252.9,8405.1 4252.9,8169.2 4261.8,6428.5 6006.9,6428.4 6006.9,0.0 0.0,0.0 -0.0,8405.1 4252.9,8405.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331191002:09331_02_1910-0000__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3517.9,3029.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3789593,47.6943801]}},{"type":"Feature","properties":{"resourceCoords":[349.1,3008.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4112274,47.6946025]}}]}}]}