{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04963_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Columbus, Montana | 1912 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"7"},{"label":"placed","value":"4"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 3, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 45.63767,-109.25471 +/-483m); p2 (tier 1, 45.63627,-109.25188 +/-256m); p4__3 (tier 1, 45.64160,-109.25424 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Montana | 1912 | sanborn04963_004 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.76"},{"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":"2026-10-20T03:14:39Z","modified":"2026-10-20T03:14:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"313.9,16.7 126.7,121.1 23.9,853.2 27.4,1801.2 86.3,1892.7 1590.8,1857.2 1604.5,1168.4 1546.3,1010.6 1207.5,1002.5 1057.3,1002.5 1019.7,517.9 797.6,505.0 790.7,505.0 790.7,504.6 787.3,504.4 741.1,41.0 313.9,16.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1057.0,1081.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-109.25930147281333,45.64048772698211]}},{"type":"Feature","properties":{"resourceCoords":[1057.0,1879.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-109.25720909813795,45.640016729724636]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Montana | 1912 | sanborn04963_004 p3","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.65"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T03:14:39Z","modified":"2026-10-20T03:14:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"36.0,600.9 1.0,838.1 1.0,1484.5 18.6,1482.0 64.4,1870.0 1576.3,1877.2 1611.7,186.1 1564.5,61.8 300.8,32.0 58.8,32.1 60.0,601.0 36.0,600.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[60.0,1168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-109.2510058,45.6365328]}},{"type":"Feature","properties":{"resourceCoords":[60.0,601.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-109.2524189,45.6368468]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Montana | 1912 | sanborn04963_004 p4 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.43"},{"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":"4324.0"}],"created":"2026-10-20T03:14:39Z","modified":"2026-10-20T03:14:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1448.3,94.8 1443.8,62.9 1268.0,99.3 846.2,14.1 80.3,53.8 16.0,414.9 37.5,750.8 190.0,845.6 867.1,847.7 867.9,851.0 871.0,851.0 871.1,865.4 918.3,1073.6 1047.8,1080.0 1428.8,1080.0 1432.0,585.0 1465.9,586.1 1516.7,96.1 1448.3,94.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[874.0,80.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-109.2552517,45.63748]}},{"type":"Feature","properties":{"resourceCoords":[1432.0,585.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-109.2542376,45.6363178]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Montana | 1912 | sanborn04963_004 p4 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.54"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3404.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4248.0"}],"created":"2026-10-20T03:14:39Z","modified":"2026-10-20T03:14:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1865.2 1.0,1879.7 911.4,1908.3 933.0,1458.5 932.8,1410.7 1531.4,1366.2 1567.8,1219.1 1504.4,1209.0 1486.9,1081.0 873.0,1081.0 872.1,976.3 611.9,937.4 612.0,914.0 123.9,914.0 83.5,1386.9 50.9,1386.4 56.5,1864.3 1.0,1865.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254cm:g4254cm_g049631912:04963_1912-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[58.0,914.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-109.2538377,45.6371597]}},{"type":"Feature","properties":{"resourceCoords":[612.0,914.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-109.2524189,45.6368468]}}]}}]}