{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04569_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bismarck, Missouri | 1915 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"12"},{"label":"placed","value":"2"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 37.76885,-90.62521 +/-100m); p1__10 (tier 4, 37.76885,-90.62521 +/-100m); p1__11 (tier 4, 37.76885,-90.62521 +/-100m); p1__12 (tier 4, 37.76885,-90.62521 +/-100m); p1__4 (tier 4, 37.76885,-90.62521 +/-100m); p1__5 (tier 4, 37.76885,-90.62521 +/-100m); p1__6 (tier 4, 37.76885,-90.62521 +/-100m); p1__7 (tier 4, 37.76885,-90.62521 +/-100m); p1__8 (tier 4, 37.76885,-90.62521 +/-100m); p1__9 (tier 4, 37.76885,-90.62521 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045691915:04569_1915-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bismarck, Missouri | 1915 | sanborn04569_001 p1 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.63"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1154.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"994.0"},{"label":"split_canvas_h","value":"1144.0"}],"created":"2026-10-17T23:36:03Z","modified":"2026-10-17T23:36:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045691915:04569_1915-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045691915:04569_1915-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"328.4,285.0 352.6,285.0 372.8,247.6 422.9,268.1 523.0,261.2 527.7,45.9 382.8,10.3 382.3,48.6 336.4,48.0 328.4,285.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045691915:04569_1915-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[288.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.62493257550639,37.76926566002537]}},{"type":"Feature","properties":{"resourceCoords":[537.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.62444558566021,37.769507710900896]}},{"type":"Feature","properties":{"resourceCoords":[537.0,286.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.62409346040054,37.769066076641664]}},{"type":"Feature","properties":{"resourceCoords":[288.5,286.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.62458045024673,37.768824025766136]}},{"type":"Feature","properties":{"resourceCoords":[336.4,48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.6247796,37.7692382]}},{"type":"Feature","properties":{"resourceCoords":[336.4,48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.6247796,37.7692382]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045691915:04569_1915-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bismarck, Missouri | 1915 | sanborn04569_001 p1 [3]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.41"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1154.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5298.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-17T23:36:03Z","modified":"2026-10-17T23:36:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045691915:04569_1915-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045691915:04569_1915-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,886.1 1612.0,847.8 1575.6,839.4 1562.3,224.8 1502.9,67.2 580.0,47.3 557.6,267.5 537.0,276.4 537.0,286.0 536.9,286.0 514.9,286.0 333.9,364.3 351.2,816.7 387.3,863.0 418.5,863.0 418.5,863.3 428.8,916.2 483.4,1859.2 688.6,1863.7 705.4,1553.5 727.8,1536.0 810.8,1522.8 979.1,1530.7 1062.0,1876.0 1561.2,1852.7 1585.2,1122.7 1561.0,1123.0 1566.0,886.0 1612.0,886.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045691915:04569_1915-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1029.2,886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.6258375,37.7687259]}},{"type":"Feature","properties":{"resourceCoords":[1566.0,886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.6247796,37.7692382]}}]}}]}