{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00051_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Greensboro, Alabama | 1898 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"4"},{"label":"placed","value":"2"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 32.70419,-87.59455 +/-172m); p2__2 (tier 2, 32.70412,-87.59466 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974gm:g3974gm_g000511898:00051_1898-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greensboro, Alabama | 1898 | sanborn00051_004 p1 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.66"},{"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":"2026-10-18T20:08:34Z","modified":"2026-10-18T20:08:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974gm:g3974gm_g000511898:00051_1898-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974gm:g3974gm_g000511898:00051_1898-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1506.2,1912.0 1585.4,1412.1 1579.3,432.2 1548.9,207.4 1410.0,41.3 764.4,103.3 651.7,524.5 649.9,549.5 645.0,549.5 643.7,554.1 338.9,556.0 337.8,549.5 336.5,549.5 336.5,542.4 263.7,128.2 176.1,48.9 140.1,92.7 55.5,499.7 45.0,1160.3 112.7,1551.8 56.0,1769.9 114.0,1755.0 122.0,1896.5 207.6,1785.9 207.8,1801.6 356.9,1787.8 829.0,1784.0 1238.1,1785.8 1443.7,1782.9 1445.6,1912.0 1506.2,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974gm:g3974gm_g000511898:00051_1898-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[829.0,1364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5936121,32.7041312]}},{"type":"Feature","properties":{"resourceCoords":[829.0,1784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5945397,32.704136]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974gm:g3974gm_g000511898:00051_1898-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greensboro, Alabama | 1898 | sanborn00051_004 p2 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.66"},{"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":"2026-10-18T20:08:34Z","modified":"2026-10-18T20:08:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974gm:g3974gm_g000511898:00051_1898-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974gm:g3974gm_g000511898:00051_1898-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1519.6,247.5 1458.9,247.3 1457.5,118.0 1251.6,120.3 842.0,117.0 369.3,119.1 220.0,132.4 219.8,116.8 133.7,227.2 141.5,376.2 192.4,397.9 149.7,732.3 186.1,840.4 259.0,833.7 397.6,1029.6 525.4,1370.7 525.5,1371.0 525.5,1371.0 525.5,1371.0 506.9,1371.3 485.9,1371.7 471.9,1371.9 217.0,1451.6 145.3,1807.9 218.1,1858.6 1482.7,1862.5 1562.3,1753.2 1525.0,1375.5 1568.5,1317.2 1573.7,561.3 1500.5,365.3 1519.6,247.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974gm:g3974gm_g000511898:00051_1898-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[842.0,1419.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5974117,32.7041424]}},{"type":"Feature","properties":{"resourceCoords":[842.0,117.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5945397,32.704136]}}]}}]}