{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01388_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bowdon, Georgia | 1922 | 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":"5"},{"label":"placed","value":"3"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef-snap 1, georef 1, snap:0 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 33.53674,-85.25925 +/-594m); p1__2 (tier 4, 33.53674,-85.25925 +/-594m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013881922:01388_1922-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bowdon, Georgia | 1922 | sanborn01388_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.33"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T10:53:11Z","modified":"2026-10-18T10:53:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013881922:01388_1922-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013881922:01388_1922-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"119.7,1563.3 883.4,1889.7 1494.7,1893.4 1581.7,1864.8 1612.0,1421.0 1612.0,548.8 1552.0,40.0 548.1,51.8 284.5,20.0 40.9,58.1 8.2,396.9 31.1,759.7 1.0,1021.6 1.0,1047.2 26.4,1478.8 20.8,1479.8 120.6,1566.9 119.7,1563.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013881922:01388_1922-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[116.0,1419.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.25495411465803,33.53794862502243]}},{"type":"Feature","properties":{"resourceCoords":[57.0,1079.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.25339311230078,33.538064810732095]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013881922:01388_1922-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bowdon, Georgia | 1922 | sanborn01388_002 p3 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.07"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2974.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4677.2"}],"created":"2026-10-18T10:53:11Z","modified":"2026-10-18T10:53:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013881922:01388_1922-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013881922:01388_1922-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4.8,1195.8 36.5,1285.5 57.5,1285.5 66.0,1591.2 114.7,1583.4 86.4,1857.5 47.5,1854.3 66.0,1896.9 185.8,1912.0 206.4,1912.0 1179.8,1906.3 1206.0,1912.0 1512.3,1274.0 1508.8,1274.8 1594.2,1185.1 1550.1,815.7 1442.8,800.0 1384.7,762.3 1172.2,784.0 1137.8,842.0 1137.5,961.9 1137.5,962.0 1019.6,962.0 702.6,962.4 692.4,974.5 374.0,998.6 153.8,994.0 142.8,967.7 36.8,962.0 35.9,962.0 8.4,1196.2 4.8,1195.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013881922:01388_1922-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[528.0,1492.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.260429,33.537253]}},{"type":"Feature","properties":{"resourceCoords":[66.0,1591.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.262691,33.536926]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013881922:01388_1922-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bowdon, Georgia | 1922 | sanborn01388_002 p3 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.08"},{"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":"3848.0"}],"created":"2026-10-18T10:53:11Z","modified":"2026-10-18T10:53:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013881922:01388_1922-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013881922:01388_1922-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1508.2,744.4 1512.7,444.5 1460.3,457.6 1421.5,127.1 1398.6,129.1 1355.3,34.9 1156.2,28.4 1126.4,54.1 1063.3,22.1 871.5,17.7 762.0,53.7 637.0,26.0 470.6,47.5 442.0,25.6 55.0,20.8 26.8,86.6 54.6,159.7 74.7,913.4 191.1,960.5 1109.3,947.8 1101.1,912.4 1137.5,882.2 1125.1,785.0 1137.5,770.5 1137.5,749.3 1137.5,747.0 1160.3,744.0 1456.2,727.7 1465.5,744.7 1485.2,744.6 1508.2,744.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013881922:01388_1922-0003__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":[-85.26885430821541,33.53931208504285]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.2617593965783,33.538542938551096]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,962.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.26230587661725,33.534991018675086]}},{"type":"Feature","properties":{"resourceCoords":[0.0,962.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.26940078825437,33.53576016516684]}}]}}]}