{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01391_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Buford, Georgia | 1921 | 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":"7"},{"label":"placed","value":"3"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef-snap 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 34.11855,-84.00748 +/-373m); p1__2 (tier 1, 34.05010,-84.07354 +/-153m); p4__1 (tier 1, 34.12078,-84.00955 +/-213m); p4__2 (tier 1, 34.12067,-84.00463 +/-176m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013911921:01391_1921-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buford, Georgia | 1921 | sanborn01391_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:20:03Z","modified":"2026-10-18T17:20:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013911921:01391_1921-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013911921:01391_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"93.8,1735.0 87.8,1218.8 80.8,891.2 69.7,663.6 55.1,663.7 54.7,398.6 82.5,398.0 48.5,144.7 99.2,129.8 238.8,193.5 297.1,87.2 410.9,58.0 1435.7,65.1 1588.2,175.2 1609.2,1842.0 1530.3,1887.0 156.6,1887.8 59.7,1854.9 57.6,1742.1 49.1,1735.9 93.8,1735.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013911921:01391_1921-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[888.0,1213.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.00398211418934,34.1201387053483]}},{"type":"Feature","properties":{"resourceCoords":[104.0,1864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.00453335684563,34.11836907996001]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013911921:01391_1921-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buford, Georgia | 1921 | sanborn01391_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:20:03Z","modified":"2026-10-18T17:20:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013911921:01391_1921-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013911921:01391_1921-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"284.5,1703.1 498.1,1695.9 576.9,1709.5 684.8,1709.4 1151.0,1717.0 1612.0,1575.1 1612.0,1504.8 1469.9,1397.6 1568.2,1127.9 1572.5,147.1 1612.0,94.7 1612.0,49.3 1088.5,44.6 756.4,44.6 525.5,51.2 525.2,65.9 256.4,60.8 256.5,32.6 1.0,61.4 1.0,65.3 75.5,345.8 37.8,737.7 110.8,831.0 70.8,934.6 139.3,995.8 56.9,1029.1 46.6,1422.6 1.0,1483.1 1.0,1537.9 284.5,1703.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013911921:01391_1921-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1083.0,1009.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.00703224629115,34.11827072788899]}},{"type":"Feature","properties":{"resourceCoords":[1083.0,309.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.00583834512148,34.119016314309405]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013911921:01391_1921-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buford, Georgia | 1921 | sanborn01391_001 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.26"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:20:03Z","modified":"2026-10-18T17:20:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013911921:01391_1921-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013911921:01391_1921-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1524.6,1412.0 1566.9,1499.4 1582.8,1750.8 1530.7,1870.2 1274.5,1892.3 1120.9,1858.8 719.8,1849.0 310.2,1882.6 88.4,1866.5 76.5,1843.1 63.4,1847.2 43.9,1827.2 102.5,1369.0 162.2,1395.0 251.3,1279.2 227.5,1161.2 100.7,1073.5 47.2,858.0 96.0,237.8 138.4,260.4 239.3,213.5 313.3,111.0 415.4,94.8 527.6,26.7 847.6,18.9 979.5,80.5 981.2,136.7 1097.0,225.8 1178.1,243.4 1273.2,216.9 1400.2,110.3 1524.9,181.3 1554.2,169.1 1579.0,402.4 1558.8,506.4 1576.6,525.2 1555.9,525.0 1468.7,671.5 1471.3,782.1 1463.9,822.9 1463.4,878.8 1457.1,1120.1 1528.3,1359.5 1564.7,1359.8 1524.6,1412.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924bm:g3924bm_g013911921:01391_1921-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1127.0,1083.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.0093251168761,34.11683320935949]}},{"type":"Feature","properties":{"resourceCoords":[772.0,681.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.01149751123967,34.11718180971046]}}]}}]}