{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00058_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Headland, Alabama | 1934 | 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":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p4__3 (tier 4, 31.35136,-85.34271 +/-583m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Headland, Alabama | 1934 | sanborn00058_003 p1","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-23T08:57:33Z","modified":"2026-09-23T08:57:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"255.1,1835.0 235.7,1739.6 -0.0,1723.5 -0.0,-0.0 205.2,0.0 205.2,0.0 1613.0,0.0 1613.0,1775.0 1391.2,1771.4 1318.6,1913.0 686.7,1913.0 606.5,1821.9 255.1,1835.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[135.0,1243.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.347999,31.353624]}},{"type":"Feature","properties":{"resourceCoords":[255.0,1835.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3463257,31.351967]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Headland, Alabama | 1934 | sanborn00058_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:57:33Z","modified":"2026-09-23T08:57:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1380.8,1763.7 614.0,1762.7 607.0,1913.0 192.6,1913.0 233.3,403.5 -0.0,540.4 -0.0,468.1 818.4,0.0 1410.0,0.0 1380.8,1763.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.34425586161872,31.353486037059938]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.34080821177922,31.353447997875914]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.34086066904887,31.34993150399753]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.34430831888837,31.349969543181555]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Headland, Alabama | 1934 | sanborn00058_003 p3","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"}],"created":"2026-09-23T08:57:33Z","modified":"2026-09-23T08:57:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"219.3,1792.8 229.6,1230.1 -0.0,1230.0 -0.0,1028.7 184.8,927.4 -0.0,607.0 -0.0,-0.0 1613.0,0.0 1613.0,1796.5 219.3,1792.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[878.0,1795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3385029,31.3513642]}},{"type":"Feature","properties":{"resourceCoords":[1191.0,1795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3371647,31.3513498]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Headland, Alabama | 1934 | sanborn00058_003 p4 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3055.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T08:57:33Z","modified":"2026-09-23T08:57:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"157.7,24.2 163.1,181.6 56.4,307.4 93.0,654.0 -0.0,679.6 -0.0,1913.0 329.2,1913.0 680.4,576.9 729.7,320.6 157.7,24.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0004__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":[-85.34396409887401,31.353297226614057]}},{"type":"Feature","properties":{"resourceCoords":[763.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3425617930345,31.350775446132157]}},{"type":"Feature","properties":{"resourceCoords":[763.8,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.349969471881,31.347782415932702]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3513717777205,31.3503041964146]}},{"type":"Feature","properties":{"resourceCoords":[556.9,222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3438018,31.3511125]}},{"type":"Feature","properties":{"resourceCoords":[556.9,222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3437804,31.3514374]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Headland, Alabama | 1934 | sanborn00058_003 p4 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"1730.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4721.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T08:57:33Z","modified":"2026-09-23T08:57:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"725.0,1913.0 889.0,1913.0 1613.0,1913.0 1613.0,1660.0 1496.7,1660.2 1501.2,197.7 1121.5,200.6 1118.7,275.8 913.4,277.6 917.6,200.9 735.1,292.4 680.4,576.9 432.7,1913.0 725.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1499.1,847.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3414234,31.3478251]}},{"type":"Feature","properties":{"resourceCoords":[1209.2,1348.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3427209,31.3460069]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Headland, Alabama | 1934 | sanborn00058_003 p5","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"23"}],"created":"2026-09-23T08:57:33Z","modified":"2026-09-23T08:57:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 101.5,1913.0 110.3,118.9 1613.0,112.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000581934:00058_1934-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[107.0,948.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3414039,31.348368]}},{"type":"Feature","properties":{"resourceCoords":[761.0,784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3385816,31.3489206]}}]}}]}