{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08131_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Columbia, South-Carolina | 1910 | 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":"64"},{"label":"placed","value":"33"},{"label":"unplaced","value":"31"},{"label":"fit sources","value":"georef-snap 27, snap:0 4, georef 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"12 sheet(s) cut into 36 panels"},{"label":"unplaced pages","value":"p20__1 (tier 2, 34.01427,-81.03159 +/-247m); p20__2 (tier 1, 34.01638,-81.03215 +/-182m); p20__3 (tier 1, 34.01560,-81.03235 +/-100m); p20__4 (tier 1, 34.01434,-81.03014 +/-100m); p22__1 (tier 1, 34.01141,-81.04283 +/-200m); p22__2 (tier 1, 34.01128,-81.04047 +/-100m); p23__1 (tier 1, 34.01165,-81.02203 +/-104m); p23__3 (tier 1, 34.01084,-81.02037 +/-140m); p24__1 (tier 1, 34.00290,-81.04541 +/-207m); p24__2 (tier 1, 34.01131,-81.02335 +/-203m); p26__1 (tier 1, 33.99199,-81.03591 +/-200m); p26__2 (tier 1, 33.99177,-81.03320 +/-122m); p26__3 (tier 3, 33.99095,-81.03495 +/-570m); p27__1 (tier 4, 34.00449,-81.03340 +/-1629m); p27__2 (tier 4, 34.00449,-81.03340 +/-1629m); p27__3 (tier 4, 34.00449,-81.03340 +/-1629m); p28__1 (tier 1, 33.99271,-81.02873 +/-219m); p36 (tier 1, 33.99305,-81.02054 +/-505m); p37__1 (tier 1, 33.99075,-81.03632 +/-251m); p37__2 (tier 1, 33.98736,-81.03358 +/-100m); p37__3 (tier 1, 33.99130,-81.03651 +/-143m); p38__1 (tier 1, 33.98795,-81.03248 +/-222m); p38__2 (tier 1, 33.98780,-81.03186 +/-100m); p38__3 (tier 1, 33.98715,-81.03202 +/-144m); p39__2 (tier 1, 34.00139,-81.04676 +/-100m); p39__3 (tier 1, 33.99946,-81.04544 +/-100m); p40__1 (tier 1, 33.99988,-81.02974 +/-174m); p40__2 (tier 2, 33.99803,-81.02953 +/-164m); p41__1 (tier 4, 34.00449,-81.03340 +/-1629m); p41__2 (tier 4, 34.00449,-81.03340 +/-1629m); p41__3 (tier 4, 34.00449,-81.03340 +/-1629m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"85.1,928.9 85.0,437.4 86.8,183.4 835.6,184.2 1541.0,182.5 1549.4,668.1 1543.9,868.6 1550.6,1349.2 1548.8,1677.0 835.8,1684.1 89.4,1681.8 85.1,928.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.0346541282411,34.00739159720178]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03119400816217,34.008463016632064]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02967190173179,34.005037178229855]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03313202181072,34.00396575879957]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1553.7,179.2 1555.4,285.9 1557.0,858.7 1552.5,917.5 1517.8,918.0 1523.5,1217.8 1560.6,1217.2 1566.2,1808.6 1531.1,1790.3 1520.7,1819.7 833.4,1729.0 832.6,1683.0 116.6,1687.2 60.6,1687.4 57.9,1362.0 44.6,885.2 47.3,686.1 32.3,204.4 1553.7,179.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[822.0,1708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.02831610177914,34.00586659866867]}},{"type":"Feature","properties":{"resourceCoords":[108.0,1708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.02987794180842,34.0054100577453]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.0,946.3 32.5,946.2 40.5,213.2 227.4,210.9 1534.3,225.1 1610.8,225.9 1605.7,960.2 1529.5,959.4 1524.8,1667.5 1522.7,1721.5 793.8,1711.9 796.9,1657.6 234.1,1655.8 50.9,1652.3 56.0,946.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.04001522495538,34.002746375483824]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.0365197041329,34.00385840790965]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03493999383832,34.000397316244474]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.0384355146608,33.99928528381865]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.1,1712.6 52.3,1912.0 1474.7,1912.0 1474.3,1771.8 1520.6,1703.2 1540.5,1703.0 1542.2,529.7 1546.7,208.0 1298.1,206.0 824.2,205.5 76.0,209.6 75.8,944.5 1.0,944.5 1.0,1707.7 52.1,1712.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1526.0,964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.0325565900561,34.00305526958472]}},{"type":"Feature","properties":{"resourceCoords":[97.0,194.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.03630468665935,34.00349050183006]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"794.4,102.0 1486.1,91.5 1541.0,92.0 1546.5,825.5 1542.0,1520.6 1521.8,1572.0 795.5,1577.7 68.4,1580.2 66.9,421.2 70.4,103.5 794.4,102.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[799.0,837.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.03091250801965,34.00358401085108]}},{"type":"Feature","properties":{"resourceCoords":[91.0,837.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.03248114383742,34.00310593970184]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1491.2,75.4 1163.8,17.7 182.9,18.6 57.3,68.5 61.9,1859.0 377.8,1889.8 511.9,1891.9 1059.5,1834.3 1479.1,1889.7 1539.0,1852.3 1555.0,1858.4 1564.3,1660.4 1571.1,1176.3 1545.1,1114.5 1533.8,397.8 1598.0,398.9 1553.5,257.2 1546.8,210.3 1545.3,1.0 1498.8,1.0 1491.2,75.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.04590298663108,33.999751859602384]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.04244982143688,34.000858273962415]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.04087813559421,33.99743902579569]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.04433130078841,33.99633261143566]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"624.9,1871.0 264.4,1744.2 290.9,1673.1 242.6,1603.6 95.5,1548.8 102.7,1354.8 104.5,881.0 78.5,820.7 60.4,119.2 123.3,119.6 338.0,119.2 782.7,121.6 1107.4,121.3 1484.3,123.4 1507.7,123.2 1507.9,822.3 1488.4,872.7 1495.0,1569.8 1553.7,1660.3 1500.7,1660.0 1501.8,1859.7 624.9,1871.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.04252254792198,34.00027016059118]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.0389818329604,34.001370703569066]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03741849143545,33.99786475682452]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.04095920639702,33.99676421384663]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"70.2,958.8 124.0,959.2 64.5,867.2 59.1,159.6 79.0,108.5 263.2,111.0 828.9,109.4 826.0,164.0 1558.6,169.4 1612.0,174.8 1612.0,910.9 1557.1,910.7 1555.3,1836.1 1400.8,1778.2 1070.2,1796.5 827.5,1720.6 407.1,1777.2 388.3,1792.3 411.4,1826.5 299.3,1844.4 255.5,1820.5 240.2,1783.6 61.5,1755.4 73.0,1161.5 71.0,1161.6 70.2,958.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03879909859296,33.99993437728547]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03531337925205,34.00102381721843]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03376580579285,33.99757233501381]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03725152513377,33.996482895080845]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p18","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.31"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.8,209.0 32.7,1089.7 73.6,1106.2 71.2,1668.8 1487.5,1692.2 1485.5,1774.3 1481.9,1912.0 1489.4,1912.0 1545.3,1649.7 1506.5,1353.4 1565.0,1208.6 1513.0,996.5 1540.8,1.0 139.5,1.0 133.2,211.0 58.8,209.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1535.0,210.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.031358,34.0004579]}},{"type":"Feature","properties":{"resourceCoords":[96.0,210.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.0346122,33.9993693]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.65"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.0,1614.6 47.0,1106.1 48.1,919.2 43.6,919.4 30.4,181.9 1544.0,180.6 1543.8,267.9 1543.2,414.4 1551.2,414.2 1551.0,415.3 1527.8,537.2 1562.3,1028.0 1483.2,1255.8 1479.0,1587.8 1531.5,1630.5 1524.0,1717.9 1485.1,1660.2 1450.7,1659.0 783.5,1660.9 783.2,1676.7 95.4,1671.5 56.0,1614.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03354963880616,33.996918588142115]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.0301125176712,33.998011233195825]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.0285604534513,33.994607735503024]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03199757458627,33.993515090449314]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1591.7,1743.8 449.4,1753.8 291.0,1752.2 73.3,1754.5 73.9,1891.3 48.1,1770.3 85.2,952.4 39.2,546.0 129.0,136.9 214.9,168.3 372.0,46.0 534.9,30.8 1488.5,65.1 1590.2,319.5 1590.9,829.2 1522.9,1178.8 1560.2,1731.8 1591.1,1730.3 1591.7,1743.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1514.0,980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.03740711147462,34.0138074569802]}},{"type":"Feature","properties":{"resourceCoords":[90.0,980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.04050082663723,34.012869051012274]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.57"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1558.7,1707.0 1522.3,1782.4 1353.5,1836.7 1103.6,1755.5 446.6,1771.2 386.9,1830.3 128.5,1790.5 130.8,1649.9 76.3,1599.1 139.5,1511.7 96.7,1353.7 140.6,1258.8 70.3,1172.2 52.9,986.6 122.9,939.0 88.2,702.2 142.1,581.3 128.9,442.2 52.6,390.5 122.3,305.5 48.5,247.3 81.1,66.2 1111.3,22.6 1462.9,127.9 1499.9,224.1 1552.5,221.9 1517.6,543.8 1573.9,878.4 1516.9,1527.0 1558.7,1707.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0021/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03594917413835,33.99530345170304]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03459514708143,33.99236194613283]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03877332071707,33.99102112224448]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.04012734777399,33.99396262781469]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0022__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p22 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.32"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3316.0"},{"label":"split_canvas_y","value":"3654.0"},{"label":"split_canvas_w","value":"3136.0"},{"label":"split_canvas_h","value":"3998.0"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0022__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"848.3,1804.2 1049.5,1886.5 1569.0,1885.0 1584.1,1571.1 1514.2,1465.0 1587.9,1209.3 1584.0,946.3 913.1,942.0 844.5,988.9 849.3,1031.3 853.5,1355.4 848.9,1355.0 848.3,1804.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0022__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[829.0,913.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.04339656131218,34.01064363555854]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,913.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.0416511540586,34.011189157763006]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.04081868243509,34.009333061669]}},{"type":"Feature","properties":{"resourceCoords":[829.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.04256408968867,34.00878753946453]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0022__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p22 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.03"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5652.0"},{"label":"split_canvas_w","value":"3316.0"},{"label":"split_canvas_h","value":"2000.0"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0022__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"793.4,1895.3 800.0,1461.5 492.3,1424.7 270.9,1500.5 232.2,1436.0 24.8,1439.6 39.5,1910.9 785.7,1892.0 793.4,1895.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0022__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1413.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.04486082925014,34.00933270357552]}},{"type":"Feature","properties":{"resourceCoords":[829.0,1413.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.04296171036073,34.00995206398672]}},{"type":"Feature","properties":{"resourceCoords":[829.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.04251421804815,34.00899588110511]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.04441333693757,34.00837652069391]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0023__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p23 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.12"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1681.6"},{"label":"split_canvas_w","value":"3990.0"},{"label":"split_canvas_h","value":"2336.4"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0023__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.2,523.4 44.5,636.2 144.8,729.3 40.5,928.1 363.7,995.7 78.2,523.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0023__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,420.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02111092871499,34.01051632274355]}},{"type":"Feature","properties":{"resourceCoords":[997.5,420.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.01994756915259,34.010343729838915]}},{"type":"Feature","properties":{"resourceCoords":[997.5,1004.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02006855709115,34.00977545368014]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1004.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02123191665355,34.009948046584775]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0023__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p23 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.17"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3460.0"},{"label":"split_canvas_y","value":"4018.0"},{"label":"split_canvas_w","value":"2992.0"},{"label":"split_canvas_h","value":"3634.0"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0023__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"889.6,1503.7 894.9,1777.9 1030.3,1899.2 1579.3,1889.7 1573.7,1086.3 1437.1,1022.1 913.8,1041.1 913.4,1481.3 889.6,1503.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0023__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[865.0,1004.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.0215029785333,34.011318595747774]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1004.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.01982951143506,34.01182714029147]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.01908917671396,34.01012951189941]}},{"type":"Feature","properties":{"resourceCoords":[865.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.0207626438122,34.00962096735571]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.4,1566.8 59.0,1065.8 145.6,429.7 129.8,246.9 104.7,210.7 802.5,215.2 802.8,199.2 1479.6,196.6 1514.5,197.8 1554.1,256.3 1506.3,823.2 1526.0,1668.8 1542.8,1724.0 1477.9,1725.8 850.1,1727.0 616.2,1723.8 457.9,1704.3 61.9,1705.5 59.1,1573.6 62.4,1566.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0025/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03237837695299,33.99430918667405]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.0289889239704,33.995383441568954]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02746302354133,33.99202705507155]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03085247652392,33.99095280017665]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0028__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p28 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"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":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0028__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1552.0,169.8 1490.5,172.6 895.0,185.6 673.2,187.0 522.8,171.4 147.1,180.0 142.6,54.2 49.6,253.8 59.0,1059.2 798.4,1091.8 860.4,1872.4 909.4,1817.2 1003.5,1880.1 1265.3,1821.2 1516.3,1853.1 1586.7,1353.5 1579.8,257.3 1552.0,169.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0028__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[842.0,176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.02934056668708,33.99182784014191]}},{"type":"Feature","properties":{"resourceCoords":[1542.0,176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.02777853980977,33.99229358888782]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1526.8,1692.2 816.4,1694.8 66.6,1704.8 66.8,1370.2 64.4,953.0 68.4,540.1 66.7,363.1 95.8,316.2 94.5,206.4 94.0,192.9 843.6,154.3 1040.9,210.8 1318.4,191.2 1352.8,158.6 1490.4,193.5 1562.2,264.6 1499.5,872.9 1517.5,1300.0 1524.8,1303.5 1526.8,1692.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[804.0,956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.0345055577316,34.011598723335844]}},{"type":"Feature","properties":{"resourceCoords":[84.0,956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.03606535666812,34.011130112970335]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1060.5,1688.8 804.0,1686.4 136.8,1688.8 70.9,1623.1 104.1,571.2 55.6,342.8 55.1,206.0 272.8,203.8 431.3,205.4 1573.9,195.9 1574.7,305.4 1545.6,351.9 1546.7,528.4 1541.3,939.7 1542.2,1355.3 1540.8,1688.8 1060.5,1688.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[795.0,1710.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.03711782133202,34.009243904966866]}},{"type":"Feature","properties":{"resourceCoords":[1518.0,1710.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.03554778117997,34.009720764706444]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"90.1,1212.4 54.2,257.5 134.1,144.1 1452.6,183.3 1533.1,371.5 1551.4,807.7 1556.9,810.4 1558.2,944.3 1549.6,1674.0 1302.3,1674.2 57.3,1674.7 62.5,1324.5 90.1,1212.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[86.0,926.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.02964208734835,34.013115590585265]}},{"type":"Feature","properties":{"resourceCoords":[1532.0,926.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.02651798041255,34.01408031408346]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p31","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0031","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1541.0,1294.6 1567.9,1703.0 589.8,1700.2 53.7,1697.2 54.0,1384.4 47.7,956.9 45.5,215.8 1297.0,219.7 1528.2,220.3 1530.6,963.8 1539.0,963.8 1538.0,1222.2 1560.2,1243.4 1541.0,1294.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0031/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02937222611665,34.012111744321004]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02591009829273,34.01319255226224]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02437457010014,34.00976491357535]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02783669792406,34.00868410563412]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p32","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"106.3,897.8 105.6,174.3 102.5,41.5 160.6,69.1 369.7,25.0 1077.1,166.8 1415.7,72.3 1525.8,96.9 1576.5,204.3 1585.3,1010.3 1542.8,1835.0 829.1,1876.9 760.0,1800.1 436.6,1706.7 334.0,1744.3 339.6,1790.9 175.8,1791.7 132.7,1912.0 110.8,1912.0 110.7,1891.2 108.5,1635.1 100.2,1635.2 89.2,898.0 106.3,897.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1570.0,1654.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.02208108051855,34.01233108454525]}},{"type":"Feature","properties":{"resourceCoords":[125.0,1654.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.02524451558568,34.011392398133694]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p33","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0033","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"31.9,1821.7 129.6,1875.2 1577.5,1866.9 1519.4,1230.1 1583.3,290.1 1576.4,180.6 591.1,175.1 51.0,170.7 50.7,278.8 41.1,859.1 35.4,918.6 1.0,918.3 1.0,1222.1 37.8,1222.4 31.9,1821.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0033/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02814034832447,34.009375799443056]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02470684839882,34.01045636329647]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02317172876788,34.007056930517564]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02660522869353,34.00597636666415]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p34","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.48"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0034","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"72.9,1670.1 92.7,1617.8 86.5,913.1 69.5,169.5 786.8,167.1 787.6,212.9 1476.3,305.0 1393.7,539.1 1514.7,618.9 1479.8,717.6 1563.3,924.9 1565.4,1646.5 1521.3,1783.9 1110.4,1764.8 842.8,1677.8 358.2,1677.2 287.9,1770.8 132.7,1745.7 76.9,1903.8 72.9,1670.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0034/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03015735711249,34.00571750923414]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02663793125754,34.00675416697604]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.0251652407042,34.0032695349813]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02868466655914,34.0022328772394]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0035","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.9,1704.8 119.6,1912.0 127.6,1912.0 128.2,1912.0 168.9,1804.0 581.7,1743.5 891.1,1778.2 1005.1,1694.6 1482.9,1800.1 1531.3,1751.3 1532.3,992.1 1480.4,711.9 1514.7,501.4 1544.2,423.2 1545.2,190.0 806.3,188.2 66.7,183.0 46.8,183.0 1.0,249.8 1.0,664.0 65.5,662.7 62.9,1704.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0035/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03222026121814,34.00201165735281]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.028720691985,34.00311256679294]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.0271567930209,33.99964744344519]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03065636225404,33.998546534005065]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0039__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p39 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.16"},{"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":"2893.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0039__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0039","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"478.0,1887.4 629.4,1887.9 698.3,1809.9 646.2,921.5 704.8,592.5 619.6,114.3 79.3,343.9 75.5,525.8 164.4,758.2 132.5,1272.5 376.3,1817.7 478.0,1887.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0039__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[622.4,1248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.0430512,33.9936378]}},{"type":"Feature","properties":{"resourceCoords":[622.4,486.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.0436299,33.9949271]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"150.7,203.2 156.1,208.7 77.5,539.5 165.7,625.0 94.3,816.0 95.9,1454.4 36.8,1612.5 1.0,1604.1 1.0,1664.9 70.6,1687.3 355.6,1683.9 750.7,1683.4 1131.3,1688.8 1552.2,1687.7 1550.2,944.9 1554.6,391.1 1553.4,212.1 1073.5,209.1 817.2,205.1 150.7,203.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[809.0,192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.03714563918054,34.00931023111693]}},{"type":"Feature","properties":{"resourceCoords":[1526.0,192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.03559083067304,34.009791823186035]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"837.9,1759.2 89.8,1762.3 83.8,1012.0 85.5,452.7 83.3,272.0 837.0,265.5 1551.4,266.2 1549.2,1008.5 1542.6,1754.0 837.9,1759.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[824.0,1016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.03333304437457,34.00893306754992]}},{"type":"Feature","properties":{"resourceCoords":[101.0,1016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.03488833538069,34.00845891618361]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.58"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"14.4,18.2 71.4,45.5 745.0,19.4 1098.9,42.5 1104.0,111.8 1200.3,116.7 1271.5,45.0 1519.0,112.0 1534.8,44.7 1533.8,394.6 1544.0,1135.2 1554.9,1562.4 1557.9,1875.0 20.1,1884.4 21.1,1143.8 17.6,406.4 14.4,18.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03271654303697,34.01146719672163]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02923850962958,34.012517538941346]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.02774627479889,34.009074129986814]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.03122430820628,34.0080237877671]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"164.3,1844.2 380.1,1841.2 827.1,1838.2 1153.4,1834.0 1532.3,1831.5 1529.3,1098.0 1522.1,398.7 1502.7,344.9 1599.8,344.6 1596.5,1.0 1541.2,1.0 1538.4,45.1 137.5,21.3 66.8,114.4 100.8,965.0 60.0,1451.8 105.5,1450.8 110.6,1658.8 118.0,1705.1 164.3,1844.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[822.0,1106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.04129644572173,34.00190947510135]}},{"type":"Feature","properties":{"resourceCoords":[1527.0,1106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.03975004657292,34.00237259698804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"69.4,321.9 308.4,258.4 343.9,159.2 485.1,98.0 886.5,122.3 1079.5,228.7 1279.7,210.9 1345.4,152.4 1518.4,190.3 1519.0,250.4 1594.5,273.6 1519.5,305.4 1534.4,1760.7 225.9,1776.2 38.9,1782.6 29.6,1079.0 9.9,1025.0 107.6,1024.4 103.3,677.7 47.8,677.9 69.4,321.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[806.0,309.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.03922848021604,34.005551621866566]}},{"type":"Feature","properties":{"resourceCoords":[98.0,309.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.04077364918051,34.00509303853889]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, South-Carolina | 1910 | sanborn08131_006 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:05:06Z","modified":"2026-10-18T23:05:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"402.2,224.1 792.0,216.9 1167.7,215.8 1583.0,207.6 1584.4,456.8 1590.5,939.2 1603.9,1677.8 1356.8,1679.5 885.9,1685.9 142.3,1700.8 66.7,1702.0 47.1,263.9 121.0,232.3 402.2,224.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081311910:08131_1910-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[871.0,1705.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.0347235642561,34.00391361332709]}},{"type":"Feature","properties":{"resourceCoords":[139.0,1705.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.0363421727781,34.003438353939124]}}]}}]}