{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00011_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Attalla, Alabama | 1909 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"19"},{"label":"placed","value":"6"},{"label":"unplaced","value":"13"},{"label":"fit sources","value":"georef 5, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 15 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 34.02321,-86.00930 +/-175m); p1__2 (tier 4, 34.02174,-86.08909 +/-630m); p1__3 (tier 4, 34.02174,-86.08909 +/-630m); p1__4 (tier 4, 34.02174,-86.08909 +/-630m); p5__1 (tier 1, 34.01969,-86.08203 +/-117m); p6__1 (tier 1, 34.02288,-86.09155 +/-100m); p6__2 (tier 1, 34.01934,-86.08605 +/-215m); p6__3 (tier 1, 34.02067,-86.08537 +/-100m); p6__4 (tier 1, 34.02155,-86.08396 +/-100m); p6__5 (tier 2, 34.01944,-86.09160 +/-100m); p6__6 (tier 1, 34.02449,-86.09270 +/-100m); p6__7 (tier 1, 34.01885,-86.09495 +/-107m); p7 (tier 4, 34.02174,-86.08909 +/-630m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Attalla, Alabama | 1909 | sanborn00011_004 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:15:21Z","modified":"2026-10-19T05:15:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"17.5,120.5 94.4,176.6 98.5,1666.6 52.9,1810.0 140.1,1865.2 1466.3,1884.4 1566.0,1835.1 1523.8,1041.5 1553.0,1.0 1539.3,1.0 1536.0,122.0 1196.8,125.6 846.5,124.4 137.8,96.5 1.0,96.0 1.0,120.5 17.5,120.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[133.0,1515.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.0938918,34.021337]}},{"type":"Feature","properties":{"resourceCoords":[1520.0,811.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.0906886,34.0202311]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Attalla, Alabama | 1909 | sanborn00011_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:15:21Z","modified":"2026-10-19T05:15:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1288.2,1794.0 206.1,1779.2 205.9,1765.5 84.2,1764.0 75.9,1425.8 72.2,1076.6 89.9,369.6 88.5,232.2 64.1,232.6 62.0,59.1 130.8,21.7 1091.2,71.5 1468.6,23.4 1513.5,366.0 1511.2,366.0 1511.9,1065.5 1506.8,1766.4 1348.4,1765.1 1348.2,1843.8 1288.2,1794.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[800.0,1771.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.08825326280731,34.02187275889568]}},{"type":"Feature","properties":{"resourceCoords":[1516.0,371.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.08901950106666,34.02471885240196]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Attalla, Alabama | 1909 | sanborn00011_004 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:15:21Z","modified":"2026-10-19T05:15:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.3,29.5 651.2,91.6 933.0,27.7 1529.2,51.0 1579.6,292.9 1526.9,778.8 1559.5,1811.2 861.4,1796.2 857.9,1841.7 836.9,1779.8 94.8,1769.3 108.3,1073.5 116.0,379.0 118.3,379.1 77.8,38.4 154.3,29.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[806.0,1083.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.0868227,34.0245528]}},{"type":"Feature","properties":{"resourceCoords":[116.0,379.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.0890349,34.0247203]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Attalla, Alabama | 1909 | sanborn00011_004 p5 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.66"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2506.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3946.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T05:15:21Z","modified":"2026-10-19T05:15:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"753.1,1288.4 691.9,1552.2 868.5,1862.3 1554.8,1869.9 1608.4,559.3 1572.3,175.6 1312.8,47.6 942.1,22.1 714.0,67.9 663.2,343.6 782.7,712.5 734.9,834.4 690.9,860.6 661.6,970.3 753.1,1288.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[908.4,459.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.0862603,34.0198611]}},{"type":"Feature","properties":{"resourceCoords":[1311.2,755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.0853604,34.0204624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0005__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Attalla, Alabama | 1909 | sanborn00011_004 p5 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.51"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3790.4"},{"label":"split_canvas_w","value":"2506.0"},{"label":"split_canvas_h","value":"3861.6"}],"created":"2026-10-19T05:15:21Z","modified":"2026-10-19T05:15:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0005__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"211.4,1912.0 227.1,1893.0 601.0,1889.2 624.7,1635.6 582.9,976.5 194.6,951.8 130.5,974.7 130.9,1748.1 129.9,1912.0 187.0,1912.0 211.4,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0005__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[130.9,1748.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.0870424,34.0227159]}},{"type":"Feature","properties":{"resourceCoords":[130.9,1048.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.0858755,34.0235136]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0006__8/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Attalla, Alabama | 1909 | sanborn00011_004 p6 [8]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.02"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3459.6"},{"label":"split_canvas_y","value":"5396.4"},{"label":"split_canvas_w","value":"2992.4"},{"label":"split_canvas_h","value":"2255.6"}],"created":"2026-10-19T05:15:21Z","modified":"2026-10-19T05:15:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0006__8/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"946.8,1706.1 891.0,1885.2 923.0,1912.0 1087.7,1912.0 1567.8,1911.1 1584.1,1858.6 1537.7,1676.7 1552.4,1507.3 1580.5,1486.8 1557.9,1368.8 1334.6,1386.0 1167.0,1356.1 1114.5,1372.9 1121.0,1411.3 953.4,1414.5 938.2,1511.8 886.8,1573.5 946.8,1706.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111909:00011_1909-0006__8/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[928.8,1582.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.0959417,34.0182604]}},{"type":"Feature","properties":{"resourceCoords":[1554.1,1582.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.0940912,34.0195401]}}]}}]}