{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn04937_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Big Sandy, Montana | 1929 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"7"},{"label":"placed","value":"6"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 5, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 48.18010,-110.11325 +/-149m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Sandy, Montana | 1929 | sanborn04937_002 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"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":"2026-09-23T19:41:31Z","modified":"2026-09-23T19:41:31Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3417.2 5531.0,2522.8 3887.1,2524.3 3592.9,2821.8 2319.5,1581.7 1056.8,325.1 941.0,6951.0 -0.0,6924.5 -0.0,7652.0 5116.0,7652.0 5792.0,7652.0 6452.0,7652.0 6452.0,3417.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5852.0,5036.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1159283,48.1776319]}},{"type":"Feature","properties":{"resourceCoords":[8128.0,7124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1174817,48.1764305]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Sandy, Montana | 1929 | sanborn04937_002 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-23T19:41:31Z","modified":"2026-09-23T19:41:31Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6324.9,7506.6 5307.9,7504.1 5353.0,7652.0 -0.0,7652.0 -0.0,0.0 5584.6,-0.0 6268.8,637.8 6324.9,7506.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2152.0,2684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1139385,48.1822123]}},{"type":"Feature","properties":{"resourceCoords":[2152.0,7496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.117502,48.1822069]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Sandy, Montana | 1929 | sanborn04937_002 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-23T19:41:31Z","modified":"2026-09-23T19:41:31Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6219.8,3000.5 6452.0,2997.5 6452.0,5184.4 5878.3,5193.9 5896.0,7348.0 1579.3,7381.8 1583.6,7652.0 -0.0,7652.0 -0.0,-0.0 6247.0,0.0 6219.8,3000.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2244.0,5184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1126485,48.175345]}},{"type":"Feature","properties":{"resourceCoords":[5896.0,7348.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1098979,48.175902]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Sandy, Montana | 1929 | sanborn04937_002 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T19:41:31Z","modified":"2026-09-23T19:41:31Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4965.7 -0.0,197.0 5054.1,186.3 5252.6,0.0 6452.0,0.0 6452.0,7652.0 5900.8,7652.0 5889.0,7052.7 251.7,7144.7 231.9,4960.9 -0.0,4965.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-110.11437524960428,48.17888826946669]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-110.11139075995776,48.18103301642688]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-110.10760283311504,48.17865614461574]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-110.11058732276156,48.17651139765555]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Sandy, Montana | 1929 | sanborn04937_002 p5 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2744.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4908.0"}],"created":"2026-09-23T19:41:31Z","modified":"2026-09-23T19:41:31Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0005__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,3030.1 0.0,3088.0 -0.0,7652.0 4808.0,7652.0 5968.0,7652.0 6452.0,7652.0 6452.0,3115.8 -0.0,3030.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2756.0,7332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1083587,48.1740754]}},{"type":"Feature","properties":{"resourceCoords":[2756.0,3028.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1105883,48.1754062]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Sandy, Montana | 1929 | sanborn04937_002 p5 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"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":"2744.0"}],"created":"2026-09-23T19:41:31Z","modified":"2026-09-23T19:41:31Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0005__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"350.9,2419.3 2610.9,2460.2 2602.4,2744.0 6452.0,2744.0 6452.0,319.3 356.0,308.0 350.9,2419.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371929:04937_1929-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4900.0,308.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1088822,48.1781238]}},{"type":"Feature","properties":{"resourceCoords":[356.0,308.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1109799,48.1765578]}}]}}]}