{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05105_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Superior, Montana | 1918 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"1"},{"label":"placed","value":"1"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254sm:g4254sm_g051051918:05105_1918-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Superior, Montana | 1918 | sanborn05105_001 p1","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.18"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T00:42:21Z","modified":"2026-10-18T00:42:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254sm:g4254sm_g051051918:05105_1918-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254sm:g4254sm_g051051918:05105_1918-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"16.3,889.4 56.8,47.9 190.2,85.7 762.5,11.4 1557.1,35.1 1610.8,162.9 1610.6,1880.4 70.3,1882.5 16.3,889.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254sm:g4254sm_g051051918:05105_1918-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[946.0,224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-114.8906386,47.1978508]}},{"type":"Feature","properties":{"resourceCoords":[925.0,1884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-114.8910087,47.1944373]}}]}}]}