{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04938_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Big Timber, Montana | 1907 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"11"},{"label":"placed","value":"7"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef-snap 6, georef 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p7__2 (tier 1, 45.83284,-109.95839 +/-142m); p7__3 (tier 1, 45.83279,-109.95682 +/-100m); p7__4 (tier 1, 45.83139,-109.95499 +/-100m); p7__5 (tier 2, 45.83281,-109.95693 +/-131m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Timber, Montana | 1907 | sanborn04938_004 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2900.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4751.2"}],"created":"2026-10-22T13:25:09Z","modified":"2026-10-22T13:25:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"158.9,1912.0 289.2,1912.0 468.3,1912.0 468.7,1866.1 731.3,1865.5 1013.7,1869.1 1550.7,1859.7 1560.2,1583.5 1562.9,1311.2 1562.8,1024.1 1566.9,742.7 1476.6,745.1 1476.5,746.5 292.3,740.7 177.8,886.5 63.2,896.1 22.4,978.1 91.2,1260.5 59.0,1661.5 112.7,1746.1 89.4,1852.8 158.9,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,725.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.95369036883048,45.838367167202286]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,725.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.95095831586906,45.83611656111527]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.95332086851523,45.834704767366084]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.95605292147665,45.8369553734531]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Timber, Montana | 1907 | sanborn04938_004 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:25:09Z","modified":"2026-10-22T13:25:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"115.5,1565.5 118.6,1292.9 118.9,1005.5 123.5,723.8 33.0,725.4 82.3,56.9 1476.7,41.1 1477.3,161.0 1540.6,160.3 1558.8,724.9 1553.5,724.7 1557.9,1284.4 1612.0,1285.5 1612.0,1321.2 1588.5,1323.5 1562.7,1398.9 1572.0,1866.7 1251.5,1869.3 656.1,1852.8 105.5,1842.0 115.5,1565.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1253.0,1288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-109.9502626,45.8339278]}},{"type":"Feature","properties":{"resourceCoords":[1253.0,718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-109.9491318,45.8346057]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Timber, Montana | 1907 | sanborn04938_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:25:09Z","modified":"2026-10-22T13:25:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"128.6,1839.6 128.4,1875.3 501.1,1837.0 1610.8,1862.3 1569.5,58.2 50.9,43.1 5.1,593.0 1.0,593.0 1.0,713.1 63.3,712.4 78.4,1278.0 73.2,1277.9 74.5,1838.6 128.6,1839.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.94623851022895,45.83581004348193]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.94349234827835,45.83357964804063]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.94726224245267,45.83129436466501]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.95000840440326,45.83352476010631]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Timber, Montana | 1907 | sanborn04938_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:25:09Z","modified":"2026-10-22T13:25:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"391.4,132.1 391.9,86.0 655.5,86.2 938.9,90.5 1477.7,82.6 1469.8,686.1 1469.0,961.2 1481.2,1227.2 1489.7,1814.6 1213.3,1810.6 934.5,1815.0 934.4,1912.0 912.1,1881.2 829.5,1830.0 77.5,1822.5 61.3,535.6 140.4,182.2 80.9,131.3 391.4,132.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.95565929381347,45.83700310045939]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.95292791684878,45.834765523970596]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.95671008881327,45.83249262848167]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.95944146577796,45.83473020497046]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Timber, Montana | 1907 | sanborn04938_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:25:09Z","modified":"2026-10-22T13:25:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.8,1233.9 58.5,970.3 58.0,697.7 63.3,99.7 610.2,108.8 1201.5,123.2 1519.9,119.6 1612.0,587.4 1612.0,673.0 1612.0,696.7 1538.0,696.4 1542.3,1254.5 1535.4,1254.4 1501.5,1812.8 1449.3,1812.6 1449.5,1890.3 1092.9,1860.8 1078.3,1861.9 1078.2,1814.2 632.2,1823.2 82.8,1816.0 71.8,1233.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1199.0,677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-109.95253199335353,45.832581473329846]}},{"type":"Feature","properties":{"resourceCoords":[74.0,1248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-109.95560178331093,45.83347031373516]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Timber, Montana | 1907 | sanborn04938_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:25:09Z","modified":"2026-10-22T13:25:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"31.9,1308.8 29.2,1826.8 76.8,1896.8 1575.1,1877.4 1575.2,80.9 1450.2,33.2 177.9,39.0 167.3,1.0 167.1,1.0 166.8,95.0 92.0,95.0 95.2,661.0 88.2,661.0 52.8,1227.4 1.0,1227.4 1.0,1306.3 31.9,1308.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.95195732932898,45.83232453860075]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.9492471514396,45.83009248255988]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.95301970721685,45.827837057363]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.95572988510624,45.83006911340387]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Timber, Montana | 1907 | sanborn04938_004 p7 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"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":"3609.2"}],"created":"2026-10-22T13:25:09Z","modified":"2026-10-22T13:25:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"61.8,139.2 41.4,139.2 87.3,889.4 1452.2,898.2 1574.1,710.3 1438.5,224.4 1501.9,93.7 1612.0,84.7 1612.0,36.7 1164.8,47.3 614.0,41.9 339.0,38.1 61.7,42.7 61.8,139.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049381907:04938_1907-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.9576852804991,45.8336874041736]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.95494190297889,45.831435971407686]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,902.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.95673637203453,45.830359622871455]}},{"type":"Feature","properties":{"resourceCoords":[0.0,902.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-109.95947974955475,45.83261105563737]}}]}}]}