{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00014_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bessemer, Alabama | 1904 | 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":"31"},{"label":"placed","value":"4"},{"label":"unplaced","value":"27"},{"label":"fit sources","value":"georef 2, georef-snap 1, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 21 panels"},{"label":"unplaced pages","value":"p10 (tier 1, 33.40387,-86.95414 +/-317m); p11 (tier 1, 33.40992,-86.95440 +/-157m); p12__1 (tier 1, 33.40628,-86.95081 +/-131m); p12__2 (tier 1, 33.40504,-86.94780 +/-156m); p12__3 (tier 1, 33.40324,-86.94801 +/-172m); p14__1 (tier 1, 33.40817,-86.95864 +/-293m); p14__2 (tier 1, 33.40847,-86.95946 +/-232m); p15__1 (tier 1, 33.40045,-86.94685 +/-115m); p15__2 (tier 1, 33.40045,-86.94624 +/-257m); p16__2 (tier 3, 33.39986,-86.94904 +/-653m); p17__1 (tier 1, 33.39313,-86.95927 +/-132m); p17__2 (tier 1, 33.39324,-86.95476 +/-142m); p17__3 (tier 3, 33.39472,-86.95637 +/-653m); p18__1 (tier 1, 33.41695,-86.96569 +/-323m); p18__2 (tier 1, 33.41732,-86.96564 +/-151m); p19 (tier 1, 33.41634,-86.97682 +/-159m); p2 (tier 1, 33.39991,-86.95650 +/-316m); p20__1 (tier 1, 33.40999,-86.94945 +/-250m); p20__2 (tier 3, 33.40840,-86.94750 +/-653m); p4 (tier 1, 33.40395,-86.95155 +/-314m); p5 (tier 1, 33.40376,-86.95412 +/-312m); p6 (tier 2, 33.42617,-86.93092 +/-100m); p7 (tier 2, 33.40455,-86.96151 +/-100m); p8__1 (tier 1, 33.40352,-86.94592 +/-111m); p8__2 (tier 1, 33.40956,-86.96567 +/-213m); p8__3 (tier 1, 33.40526,-86.96152 +/-100m); p9 (tier 1, 33.40406,-86.95169 +/-314m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bessemer, Alabama | 1904 | sanborn00014_005 p13","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.42"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:12:54Z","modified":"2026-10-20T02:12:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.9,309.8 130.8,165.1 212.2,222.6 426.5,112.2 609.5,121.8 669.9,179.5 963.2,50.6 1147.5,31.1 1406.5,38.4 1494.7,126.6 1529.9,250.9 1546.2,1841.6 1417.0,1880.0 884.6,1875.2 685.8,1728.2 493.6,1767.2 111.0,1702.7 55.8,1507.4 52.9,309.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[817.0,1690.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.953741,33.410761]}},{"type":"Feature","properties":{"resourceCoords":[817.0,258.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.9570206,33.4126228]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bessemer, Alabama | 1904 | sanborn00014_005 p16 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"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":"2026-10-20T02:12:54Z","modified":"2026-10-20T02:12:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.7,1847.4 1144.5,1881.8 1219.2,1139.0 1522.5,1137.8 1549.3,1052.2 1560.8,64.8 95.2,20.3 46.7,61.2 65.7,1847.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[98.0,1755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.95145101816055,33.39899935971279]}},{"type":"Feature","properties":{"resourceCoords":[1192.0,1755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.94935796160144,33.39782402131132]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bessemer, Alabama | 1904 | sanborn00014_005 p3 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.45"},{"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":"2026-10-20T02:12:54Z","modified":"2026-10-20T02:12:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1576.1,1856.4 1569.7,83.4 853.6,61.2 810.7,1084.8 783.0,1123.3 475.3,1123.3 385.1,1123.3 57.7,1152.9 106.7,1853.6 1576.1,1856.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[874.0,1170.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.931981,33.426107]}},{"type":"Feature","properties":{"resourceCoords":[874.0,1859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.932442,33.425537]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bessemer, Alabama | 1904 | sanborn00014_005 p3 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.01"},{"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":"3132.0"},{"label":"split_canvas_h","value":"4493.2"}],"created":"2026-10-20T02:12:54Z","modified":"2026-10-20T02:12:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.9,1080.3 732.7,1100.1 756.0,69.4 56.4,56.3 42.9,1080.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000141904:00014_1904-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.96217269958692,33.405264206894515]}},{"type":"Feature","properties":{"resourceCoords":[783.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.96129353332695,33.404764826696045]}},{"type":"Feature","properties":{"resourceCoords":[783.0,1123.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.96214546195401,33.403704755322714]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1123.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.96302462821397,33.404204135521184]}}]}}]}