{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05008_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Great Falls, Montana | 1888 | 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":"8"},{"label":"placed","value":"2"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 47.50418,-111.30345 +/-156m); p1__2 (tier 4, 47.50418,-111.30345 +/-156m); p1__3 (tier 4, 47.50418,-111.30345 +/-156m); p1__4 (tier 4, 47.50418,-111.30345 +/-156m); p1__5 (tier 4, 47.50418,-111.30345 +/-156m); p3__2 (tier 4, 47.50418,-111.30345 +/-156m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254gm:g4254gm_g050081888:05008_1888-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Great Falls, Montana | 1888 | sanborn05008_001 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:58:42Z","modified":"2026-10-18T22:58:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254gm:g4254gm_g050081888:05008_1888-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254gm:g4254gm_g050081888:05008_1888-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1514.7,1887.6 1232.1,1900.3 135.7,1886.8 35.7,1839.3 32.5,616.0 86.8,501.8 49.2,35.8 1526.2,50.1 1541.8,1254.9 1555.2,1853.9 1514.7,1887.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254gm:g4254gm_g050081888:05008_1888-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[957.0,1885.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.3060394,47.5053304]}},{"type":"Feature","properties":{"resourceCoords":[359.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.3007873,47.5064008]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254gm:g4254gm_g050081888:05008_1888-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Great Falls, Montana | 1888 | sanborn05008_001 p3 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.48"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-18T22:58:42Z","modified":"2026-10-18T22:58:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254gm:g4254gm_g050081888:05008_1888-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254gm:g4254gm_g050081888:05008_1888-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"10.4,40.3 58.5,1285.6 88.1,1904.5 117.5,1878.7 774.6,1841.4 846.4,1808.8 905.1,1652.5 1570.1,1468.4 1528.3,1353.2 1595.0,1211.1 1541.8,42.4 1445.5,17.5 10.4,40.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254gm:g4254gm_g050081888:05008_1888-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[632.0,626.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.3025651,47.5030785]}},{"type":"Feature","properties":{"resourceCoords":[632.0,1681.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.3054432,47.5031671]}}]}}]}