{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05109_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Three Forks, Montana | 1914 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"12"},{"label":"placed","value":"10"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 7, georef-snap 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p3__1 (tier 1, 45.89409,-111.55260 +/-100m); p3__3 (tier 1, 45.89287,-111.55417 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Three Forks, Montana | 1914 | sanborn05109_002 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"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":"3369.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T22:55:09Z","modified":"2026-10-19T22:55:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"170.2,1847.9 341.5,1866.7 831.7,1778.3 836.3,1775.5 834.4,234.2 832.1,194.3 832.1,137.3 276.7,135.9 33.0,135.2 39.1,677.4 36.6,677.4 49.7,1231.7 57.0,1231.7 77.3,1774.8 169.7,1775.0 170.2,1847.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[295.1,1783.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.54653004409829,45.8900386441286]}},{"type":"Feature","properties":{"resourceCoords":[295.1,134.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.54652456277543,45.893051037065014]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Three Forks, Montana | 1914 | sanborn05109_002 p1 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.62"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3368.0"},{"label":"split_canvas_y","value":"5063.2"},{"label":"split_canvas_w","value":"3084.0"},{"label":"split_canvas_h","value":"2588.8"}],"created":"2026-10-19T22:55:09Z","modified":"2026-10-19T22:55:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1405.4,1912.0 1421.5,1907.7 1596.2,1907.0 1600.9,1327.0 1467.9,1271.6 1300.5,1342.1 1069.2,1322.6 1069.2,1335.3 877.0,1335.7 879.9,1858.1 1405.3,1858.0 1405.4,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1405.3,1858.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.5451157,45.8930437]}},{"type":"Feature","properties":{"resourceCoords":[880.0,1858.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.5465727,45.8930476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Three Forks, Montana | 1914 | sanborn05109_002 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.95"},{"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":"3246.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T22:55:09Z","modified":"2026-10-19T22:55:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"703.3,1867.0 700.7,1855.3 775.8,1818.0 810.4,1580.1 775.2,290.0 694.9,55.9 269.0,31.4 60.9,207.1 31.4,627.8 77.1,1011.1 40.7,1280.1 142.5,1593.7 129.6,1871.4 235.2,1868.2 703.3,1867.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[772.5,1324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.5570822,45.8932363]}},{"type":"Feature","properties":{"resourceCoords":[228.8,213.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.5562058,45.8954192]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Three Forks, Montana | 1914 | sanborn05109_002 p2 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.93"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3246.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3206.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T22:55:09Z","modified":"2026-10-19T22:55:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1486.0,65.3 1022.4,65.0 917.7,67.8 884.0,740.5 966.1,1086.5 907.5,1625.3 971.8,1841.1 1543.7,1860.5 1580.6,493.7 1486.0,65.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1561.0,1162.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.5599514,45.8909668]}},{"type":"Feature","properties":{"resourceCoords":[1022.4,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.559092,45.8931471]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Three Forks, Montana | 1914 | sanborn05109_002 p3 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"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":"2026-10-19T22:55:09Z","modified":"2026-10-19T22:55:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1550.6,97.7 1467.9,43.4 1076.0,105.1 416.6,35.2 358.1,131.8 396.8,398.1 355.3,857.4 320.5,890.0 320.5,923.0 310.4,923.0 285.5,923.0 252.2,954.3 104.2,955.2 60.2,1029.5 72.1,1736.2 132.8,1735.8 160.2,1788.5 164.1,1864.6 759.1,1864.9 1321.1,1863.5 1579.8,1862.8 1571.0,1311.8 1584.4,1311.7 1583.7,758.2 1562.2,758.4 1556.8,211.8 1550.6,97.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[734.0,1316.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.55240212648762,45.894063683839924]}},{"type":"Feature","properties":{"resourceCoords":[734.0,1862.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.55241123112704,45.89306876338807]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Three Forks, Montana | 1914 | sanborn05109_002 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:55:09Z","modified":"2026-10-19T22:55:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.9,1858.4 35.3,1312.7 48.6,1312.7 51.0,764.6 29.7,764.6 27.6,223.4 22.1,110.3 28.5,114.7 79.8,26.6 167.7,11.9 1531.2,33.1 1612.0,201.6 1605.3,1301.2 1612.0,1301.8 1612.0,1305.0 1612.0,1315.2 1410.3,1314.9 1411.6,1862.9 1144.6,1862.0 59.5,1858.5 40.9,1858.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[866.0,1314.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.5480145,45.8940583]}},{"type":"Feature","properties":{"resourceCoords":[866.0,766.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.5480136,45.8950667]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Three Forks, Montana | 1914 | sanborn05109_002 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:55:09Z","modified":"2026-10-19T22:55:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"327.2,3.9 113.9,106.8 18.3,710.0 44.2,1775.1 422.5,1769.1 697.2,1777.2 1005.1,1768.8 1565.8,1770.0 1567.3,134.4 1008.9,132.2 417.8,128.1 414.4,52.5 387.9,1.0 327.2,1.0 327.2,3.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[997.0,1775.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.55237680880741,45.89005020086029]}},{"type":"Feature","properties":{"resourceCoords":[997.0,131.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.55237699313938,45.89306541241833]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Three Forks, Montana | 1914 | sanborn05109_002 p6","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:55:09Z","modified":"2026-10-19T22:55:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"153.5,134.2 431.6,136.2 1529.9,143.8 1555.3,143.9 1559.1,688.6 1556.7,688.6 1567.3,1245.7 1574.8,1245.7 1592.8,1791.6 1527.6,1791.3 147.0,1784.2 153.5,134.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[696.0,1787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.5494439,45.8900574]}},{"type":"Feature","properties":{"resourceCoords":[696.0,138.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.549457,45.8930554]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Three Forks, Montana | 1914 | sanborn05109_002 p7 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3804.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3847.2"}],"created":"2026-10-19T22:55:09Z","modified":"2026-10-19T22:55:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"59.8,1894.6 1579.1,1906.6 1596.0,1541.3 1515.1,1324.6 1567.3,1317.4 1583.5,1078.9 1612.0,1082.2 1612.0,1008.5 1453.2,1007.4 65.4,996.9 59.8,1894.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[616.0,1552.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.5494395,45.8890606]}},{"type":"Feature","properties":{"resourceCoords":[1166.0,1005.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.548018,45.8900553]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Three Forks, Montana | 1914 | sanborn05109_002 p7 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.93"},{"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":"3804.8"}],"created":"2026-10-19T22:55:09Z","modified":"2026-10-19T22:55:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1539.1,947.9 1538.3,58.1 975.0,58.0 665.7,67.0 389.6,59.4 9.6,66.1 29.2,813.9 103.3,946.8 1539.1,947.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254tm:g4254tm_g051091914:05109_1914-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[975.0,608.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.552358,45.8890575]}},{"type":"Feature","properties":{"resourceCoords":[975.0,58.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.5523554,45.8900616]}}]}}]}