{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05019_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Highwood, Montana | 1916 | 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":"4"},{"label":"placed","value":"2"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 47.58470,-110.79310 +/-141m); p1__3 (tier 4, 47.58470,-110.79310 +/-141m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254hm:g4254hm_g050191916:05019_1916-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Highwood, Montana | 1916 | sanborn05019_001 p1 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.80"},{"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":"2026-10-18T05:13:00Z","modified":"2026-10-18T05:13:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254hm:g4254hm_g050191916:05019_1916-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254hm:g4254hm_g050191916:05019_1916-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"955.4,17.1 71.8,29.0 27.6,65.0 51.3,1832.3 152.9,1884.6 1291.9,1897.5 1367.0,1699.6 1367.0,1682.6 1373.5,1682.6 1374.7,1679.4 1608.3,1682.0 1608.9,988.4 1595.0,922.5 1594.5,922.5 1456.2,928.2 1384.5,810.6 1381.9,401.6 1331.8,306.1 1069.0,303.1 1068.6,300.0 1066.0,300.0 1066.2,283.0 1035.2,61.8 955.4,17.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254hm:g4254hm_g050191916:05019_1916-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[750.0,775.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.790719,47.5848497]}},{"type":"Feature","properties":{"resourceCoords":[1321.0,1348.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.7922707,47.5837828]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254hm:g4254hm_g050191916:05019_1916-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Highwood, Montana | 1916 | sanborn05019_001 p1 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.37"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"5468.0"},{"label":"split_canvas_y","value":"6730.4"},{"label":"split_canvas_w","value":"984.0"},{"label":"split_canvas_h","value":"921.6"}],"created":"2026-10-18T05:13:00Z","modified":"2026-10-18T05:13:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254hm:g4254hm_g050191916:05019_1916-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254hm:g4254hm_g050191916:05019_1916-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1368.5,1907.8 1610.1,1899.8 1586.0,1689.2 1375.2,1697.1 1368.5,1907.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254hm:g4254hm_g050191916:05019_1916-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1367.0,1682.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-110.79529668382071,47.584430525908125]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1682.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-110.79529458983674,47.58488388453841]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-110.79466018336214,47.58488256506276]}},{"type":"Feature","properties":{"resourceCoords":[1367.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-110.7946622773461,47.58442920643248]}},{"type":"Feature","properties":{"resourceCoords":[1586.0,1704.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.7952344,47.584834]}},{"type":"Feature","properties":{"resourceCoords":[1586.0,1704.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.7952344,47.584834]}}]}}]}