{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04946_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bridger, Montana | 1907 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"7"},{"label":"placed","value":"3"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p4__1 (tier 4, 45.29480,-108.91509 +/-198m); p4__2 (tier 4, 45.29480,-108.91509 +/-198m); p4__3 (tier 4, 45.29480,-108.91509 +/-198m); p4__4 (tier 4, 45.29480,-108.91509 +/-198m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049461907:04946_1907-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridger, Montana | 1907 | sanborn04946_001 p1","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"14"}],"created":"2026-09-22T04:33:45Z","modified":"2026-09-22T04:33:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049461907:04946_1907-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049461907:04946_1907-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1499.5 -0.0,1453.6 -0.0,1319.0 -0.0,223.8 -0.0,199.3 600.0,203.0 1613.0,572.4 1613.0,1913.0 60.7,1913.0 -0.0,1499.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049461907:04946_1907-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[600.0,1536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-108.9142339,45.2935847]}},{"type":"Feature","properties":{"resourceCoords":[600.0,203.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-108.9142553,45.2957055]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049461907:04946_1907-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridger, Montana | 1907 | sanborn04946_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T04:33:45Z","modified":"2026-09-22T04:33:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049461907:04946_1907-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049461907:04946_1907-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1536.5,1177.7 1556.7,1181.2 1557.7,1338.0 1613.0,1341.0 1613.0,1913.0 -0.0,1913.0 -0.0,-0.0 1526.5,0.0 1536.5,1177.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049461907:04946_1907-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-108.91962168040139,45.29608419044879]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-108.91545099349446,45.2960869146087]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-108.91544643284126,45.29258283194221]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-108.9196171197482,45.2925801077823]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049461907:04946_1907-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridger, Montana | 1907 | sanborn04946_001 p3","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"8"}],"created":"2026-09-22T04:33:45Z","modified":"2026-09-22T04:33:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049461907:04946_1907-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049461907:04946_1907-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"213.5,1913.0 -0.0,713.3 -0.0,-0.0 1613.0,0.0 1613.0,1395.9 769.5,1913.0 213.5,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049461907:04946_1907-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[684.0,875.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-108.9142553,45.2957055]}},{"type":"Feature","properties":{"resourceCoords":[684.0,297.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-108.9141427,45.2967324]}}]}}]}