{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05047_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Martinsdale, Montana | 1916 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"1"},{"label":"placed","value":"1"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef-snap 1"},{"label":"key map","value":"none"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254mm:g4254mm_g050471916:05047_1916-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsdale, Montana | 1916 | sanborn05047_001 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T21:32:58Z","modified":"2026-10-17T21:32:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254mm:g4254mm_g050471916:05047_1916-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254mm:g4254mm_g050471916:05047_1916-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1596.5,1023.3 1611.8,1162.8 1524.0,1514.1 1582.1,1842.1 1505.4,1887.6 286.9,1887.2 94.5,1826.6 15.3,423.7 114.5,108.2 743.5,17.1 1523.0,80.4 1586.8,526.6 1534.3,658.6 1568.1,967.0 1559.4,992.0 1596.5,1023.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254mm:g4254mm_g050471916:05047_1916-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[655.0,743.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.31477626054227,46.458483004168095]}},{"type":"Feature","properties":{"resourceCoords":[655.0,1431.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.31497471508766,46.45723377383403]}}]}}]}