{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00091_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Selma, Alabama | 1907 | 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":"52"},{"label":"placed","value":"37"},{"label":"unplaced","value":"15"},{"label":"fit sources","value":"georef-snap 28, georef 9"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"10 sheet(s) cut into 24 panels"},{"label":"unplaced pages","value":"p19__2 (tier 1, 32.41472,-87.01706 +/-100m); p21__2 (tier 1, 32.41545,-87.01279 +/-124m); p29__1 (tier 1, 32.41744,-87.03003 +/-100m); p34__2 (tier 1, 32.41799,-87.01538 +/-132m); p35__2 (tier 1, 32.41594,-87.01270 +/-129m); p37__2 (tier 1, 32.42120,-87.01245 +/-100m); p37__3 (tier 1, 32.41813,-87.01652 +/-108m); p38__1 (tier 1, 32.40496,-87.00482 +/-100m); p38__2 (tier 1, 32.40508,-87.00484 +/-207m); p38__3 (tier 1, 32.40751,-87.00603 +/-100m); p39__2 (tier 2, 32.40677,-87.03146 +/-100m); p39__3 (tier 1, 32.40660,-87.03295 +/-101m); p4__1 (tier 1, 32.40973,-87.03031 +/-100m); p9__1 (tier 1, 32.42465,-87.02754 +/-275m); p9__2 (tier 1, 32.41404,-87.02669 +/-111m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1112.9,1789.5 1440.2,1788.0 1442.0,1232.5 1448.6,638.7 1514.7,639.8 1524.7,144.6 668.6,141.0 97.6,130.6 1.0,220.1 1.0,1683.7 98.5,1785.6 362.0,1786.8 788.7,1782.3 1112.9,1789.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1440.0,1214.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0250526117766,32.40989076622269]}},{"type":"Feature","properties":{"resourceCoords":[1440.0,1790.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.02618909776002,32.409410688429816]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p11","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1157.0,1783.0 814.3,1777.9 193.0,1789.0 189.8,1242.2 190.8,657.7 255.8,658.2 261.2,170.7 1501.0,165.0 1500.7,662.5 1501.7,1203.8 1508.1,1780.9 1157.0,1783.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1501.0,165.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.021627,32.408538]}},{"type":"Feature","properties":{"resourceCoords":[193.0,1789.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.026185,32.409412]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"10.3,1774.4 11.3,1774.5 729.4,1869.1 1461.5,1786.8 1585.7,1791.7 1610.7,1499.2 1607.5,1499.1 1612.0,1204.6 1612.0,332.0 1603.0,331.0 1602.5,113.5 1121.5,106.9 583.6,100.7 10.2,99.4 4.8,783.2 1.0,783.2 1.0,1122.3 11.3,1667.2 10.3,1774.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1147.0,1513.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.02114667252576,32.405756917764094]}},{"type":"Feature","properties":{"resourceCoords":[1147.0,114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.02257036993582,32.408134876420384]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"64.7,933.4 63.8,1488.1 68.0,1825.5 571.0,1777.2 571.1,1797.5 1078.5,1799.5 1078.4,1795.6 1564.1,1848.5 1547.8,1460.1 1545.2,737.7 1555.6,601.2 1072.7,377.6 560.0,138.0 267.9,1.0 1.0,1.0 1.0,867.0 64.7,933.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.02528876067643,32.41458991030379]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.02200795406549,32.41593727257578]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.02012832752293,32.41262935522638]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.02340913413387,32.411281992954386]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.9,645.5 64.1,153.7 563.1,107.2 563.1,127.5 1066.0,131.2 1066.0,127.2 1546.9,181.4 1549.4,256.1 1550.7,453.7 1549.0,878.2 1546.8,1854.6 1068.1,1856.3 571.3,1854.8 69.9,1863.3 65.9,645.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1539.0,1170.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.01931392108683,32.41098354640058]}},{"type":"Feature","properties":{"resourceCoords":[86.0,1170.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.02229073091203,32.409750780142964]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"46.7,86.8 560.7,74.9 1070.0,73.3 1560.7,68.6 1577.4,771.0 1577.4,1119.1 1587.0,1479.0 1574.0,1479.1 1553.8,1855.0 1465.7,1805.5 737.9,1876.4 310.7,1869.4 197.3,1790.7 47.0,1787.6 67.0,1490.7 63.8,1490.7 62.9,1192.2 47.0,308.0 37.8,307.1 33.3,86.8 44.0,86.8 46.7,86.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1064.0,758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.01893813857468,32.40823354172595]}},{"type":"Feature","properties":{"resourceCoords":[565.0,73.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.02060143092595,32.40898487884486]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"99.8,1425.8 96.9,1776.3 582.3,1782.3 582.3,1776.5 1069.8,1763.8 1069.8,1762.1 1551.0,1739.7 1549.0,1246.3 1549.5,1124.2 1612.0,1035.6 1612.0,655.1 1560.2,629.2 1536.5,617.8 1216.3,188.7 1207.5,201.1 1071.0,393.1 266.4,1.0 97.7,1.0 92.7,57.2 86.0,771.2 99.3,1229.6 99.8,1425.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.0216688286492,32.41462398159067]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.01837104545811,32.416023438717815]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.01641874645453,32.4126984010395]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.01971652964562,32.41129894391236]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p17","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"578.8,1848.3 98.0,1849.0 85.5,1171.2 87.0,205.4 87.2,134.6 568.8,135.6 568.8,129.7 1052.2,112.1 1052.2,110.4 1529.4,83.0 1530.2,169.7 1530.8,886.9 1534.8,1169.7 1532.3,1506.1 1534.7,1851.0 578.8,1848.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1057.0,1849.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0159098,32.4094525]}},{"type":"Feature","properties":{"resourceCoords":[98.0,1849.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0178966,32.4086312]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p18","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.3,795.6 69.2,795.5 61.1,439.7 62.4,95.5 555.0,94.0 1534.5,95.4 1536.6,440.6 1535.0,765.9 1541.2,1001.9 1562.8,1183.4 1597.3,1247.8 1468.1,1725.1 1506.8,1791.3 1360.1,1719.8 1049.6,1773.6 910.8,1863.9 402.0,1773.6 64.1,1624.6 63.1,1529.4 81.1,1505.9 40.3,1462.9 47.0,1174.0 34.9,1167.2 56.3,795.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1045.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0159098,32.4094525]}},{"type":"Feature","properties":{"resourceCoords":[555.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0169013,32.4090442]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p19 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"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":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0019__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"69.3,1592.0 70.8,1883.9 945.2,1889.4 1404.2,1897.3 1391.1,1652.9 1533.3,432.8 1507.7,432.8 1492.6,432.8 1489.3,439.9 1480.0,432.8 1459.9,432.8 1053.4,432.8 983.7,432.8 984.0,415.8 988.5,107.7 989.2,61.5 982.7,56.6 959.8,102.0 883.2,44.7 806.3,1.0 167.1,1.0 76.7,129.0 75.6,254.6 75.5,851.5 69.3,1592.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1396.0,1876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.01296970119265,32.41218302794219]}},{"type":"Feature","properties":{"resourceCoords":[944.0,1876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0138726002912,32.411801110522816]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1003.4,47.0 1124.1,290.2 1310.9,682.7 1487.0,1042.4 1508.3,1032.1 1587.5,1330.0 1567.4,1316.3 1516.0,1366.8 1562.3,1876.4 187.4,1871.1 50.2,1760.7 72.9,80.6 691.7,28.1 956.1,79.8 985.0,56.7 980.9,20.3 1003.4,47.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[305.0,824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.03257334989475,32.4029190378922]}},{"type":"Feature","properties":{"resourceCoords":[1386.0,824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.03019893963132,32.40293744434795]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1514.3,1793.0 1112.3,1708.2 937.5,1742.0 763.9,1871.2 174.8,1861.6 166.2,1893.7 131.4,1829.1 109.7,1647.1 103.3,1410.4 104.5,1084.2 102.0,737.9 98.7,383.4 100.4,37.7 970.8,33.1 1427.6,35.6 1462.4,35.8 1461.4,387.4 1454.5,747.0 1489.1,746.2 1497.3,918.6 1492.6,1195.1 1497.7,1204.4 1559.7,1582.7 1595.3,1584.1 1514.3,1793.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[970.0,742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.01316192717984,32.41057076832561]}},{"type":"Feature","properties":{"resourceCoords":[112.0,1394.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.01425349958903,32.408748252629046]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0021__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p21 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"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":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0021__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1527.0,525.5 1529.6,33.9 1083.5,25.5 896.3,26.5 798.2,22.9 775.0,76.2 740.0,74.0 564.0,451.1 572.5,455.1 245.2,1075.1 230.4,1069.2 1.0,1711.7 1.0,1752.9 40.9,1771.8 90.4,1792.7 88.7,1752.1 1310.5,1843.0 1553.4,1819.9 1552.5,1785.0 1527.0,525.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0021__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1517.0,41.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.00933114371949,32.4135971760585]}},{"type":"Feature","properties":{"resourceCoords":[1517.0,1822.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.01296980339669,32.41221518416399]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1742.4 1225.6,1810.1 1216.1,1815.4 933.2,1813.7 756.8,1824.0 758.0,1859.4 389.9,1856.4 30.1,1859.3 28.4,572.8 40.7,70.8 206.9,74.3 444.3,85.2 766.8,90.5 1099.0,95.3 1174.8,106.9 1246.5,133.3 1348.0,186.4 1542.9,302.2 1524.2,349.4 1515.8,376.8 1580.1,615.8 1581.3,1694.1 1612.0,1705.5 1612.0,1742.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[62.0,1856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.01282502608044,32.41213181059787]}},{"type":"Feature","properties":{"resourceCoords":[62.0,84.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.00931124064799,32.413534923372346]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1271.5,1835.3 1032.7,1837.2 865.7,1842.7 407.7,1850.0 215.8,1857.7 115.0,1857.6 93.5,1912.0 57.2,1912.0 78.8,1861.2 41.8,1719.5 142.1,1396.7 130.8,901.8 91.7,862.0 137.9,865.1 179.1,628.8 135.3,310.4 250.8,318.0 420.1,39.2 882.4,30.5 886.5,19.9 981.6,61.6 1581.4,293.9 1574.7,478.5 1583.7,1055.7 1590.8,1365.4 1595.4,1823.2 1271.5,1835.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1553.0,282.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.00558438128675,32.41349676737111]}},{"type":"Feature","properties":{"resourceCoords":[860.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0092921560619,32.41359675309257]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p24","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1148.3,18.1 1142.2,67.8 1074.4,329.9 829.0,264.9 776.2,269.1 603.5,216.5 334.1,142.1 1.0,55.8 1.0,64.8 13.2,237.0 82.8,801.0 122.3,1103.4 175.0,1551.0 500.2,1503.1 576.1,1502.4 650.3,1516.8 757.9,1552.5 966.5,1634.8 955.8,1683.8 951.9,1711.9 1042.1,1912.0 1425.0,1748.0 1522.5,1566.2 1578.3,1034.7 1574.3,12.5 1497.8,1.0 1150.7,1.0 1148.3,18.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1109.0,339.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0055072,32.4112993]}},{"type":"Feature","properties":{"resourceCoords":[175.0,1551.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.008663,32.41235]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"702.0,1868.5 495.1,1892.3 495.0,1912.0 402.2,1912.0 399.9,1903.2 381.4,1905.3 330.8,1912.0 54.6,1912.0 56.1,1653.1 38.5,1602.0 46.3,1418.0 51.0,1132.9 51.0,781.3 57.0,135.4 62.6,31.4 1558.5,43.6 1525.6,167.8 1610.0,839.4 1555.5,1787.6 702.0,1868.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[52.0,29.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.00562827729887,32.414819913841335]}},{"type":"Feature","properties":{"resourceCoords":[52.0,1953.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.00551229723493,32.41129087710144]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p26","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2.8,540.8 31.6,533.0 31.4,863.0 135.1,1143.9 124.1,1627.6 60.1,1860.8 1578.2,1851.2 1588.9,84.4 1546.0,39.4 1054.6,42.9 1056.8,1.0 817.8,1.0 206.2,85.0 1.0,109.6 1.0,524.1 2.8,540.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[818.0,1.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.002776,32.411659]}},{"type":"Feature","properties":{"resourceCoords":[188.0,1870.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0040566,32.4081942]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1537.2,330.9 1553.2,1615.4 1509.8,1616.8 1518.7,1884.2 1281.4,1852.2 1281.9,1863.3 822.0,1870.6 822.0,1873.1 84.8,1880.8 51.3,1759.9 72.0,1708.7 52.3,1694.1 27.3,1559.5 26.2,1516.8 77.5,50.3 1292.0,25.1 1467.7,86.2 1534.6,43.4 1559.1,330.9 1537.2,330.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0027/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.03336400730744,32.42147597774364]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.02986137011978,32.42152160060792]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.02979772078184,32.417990216026254]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.03330035796951,32.41794459316198]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.6,40.0 1495.1,39.4 1500.8,29.3 1567.4,29.1 1571.9,1314.4 1570.7,1695.3 1571.4,1822.2 469.8,1790.3 470.1,1842.7 29.3,1846.4 29.5,1682.7 17.0,1309.3 60.0,1307.9 43.5,34.9 65.2,34.9 65.6,40.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0028/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.03011137852083,32.42097234023459]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.02657727779837,32.421016846776055]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.02651518620773,32.41745372069768]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.0300492869302,32.417409214156216]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0029__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p29 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"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":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0029__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"790.0,1819.0 942.4,1841.5 1172.0,1856.4 1569.0,1854.7 1558.4,1582.7 1557.4,1451.1 1550.1,1312.8 1547.5,991.7 1551.7,856.3 1565.6,660.3 1579.0,546.6 1583.1,419.4 1581.2,172.1 1576.4,62.0 1337.0,32.0 1337.7,43.2 874.3,55.2 874.4,57.7 131.6,72.8 147.6,128.2 139.5,245.9 42.7,326.4 94.1,415.1 538.5,505.9 641.7,602.1 739.0,1780.7 790.0,1819.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0029__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":[-87.03340176166235,32.41813835541636]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.02992547268016,32.41815460968331]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.02990279683094,32.41464966712599]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.03337908581312,32.41463341285904]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1227.9,1829.5 1228.0,1853.2 826.0,1855.9 389.7,1853.9 117.2,1857.1 83.3,1865.9 50.0,1861.2 27.9,1820.2 19.5,912.5 6.9,911.4 7.9,537.5 5.0,91.8 390.2,103.4 387.6,242.2 1223.0,229.1 1222.7,188.0 1612.0,203.7 1612.0,225.4 1573.0,237.5 1597.5,1657.7 1579.0,1860.2 1531.8,1887.6 1227.9,1829.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[375.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.02736394238805,32.405376727764576]}},{"type":"Feature","properties":{"resourceCoords":[808.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.030345125869,32.40324425077943]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1577.6,1457.9 1562.2,1465.0 1552.9,1774.8 1283.2,1777.8 1153.0,1775.1 1015.8,1778.5 697.8,1772.3 563.9,1764.5 370.1,1745.2 258.0,1728.8 132.1,1721.3 52.0,1719.7 56.5,1275.8 3.8,1275.1 56.5,166.4 152.0,167.7 700.3,174.0 1586.3,177.1 1585.6,252.7 1612.0,259.4 1612.0,1403.8 1577.6,1457.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.02625135085572,32.41773632838651]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.02613437086845,32.4147542641961]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.03029453566636,32.414636319279445]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.03041151565363,32.41761838346986]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p31","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0031","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1599.3,1872.0 1606.1,1892.3 1612.0,1892.0 1612.0,1075.2 1571.5,989.1 1572.1,657.0 1572.3,124.3 643.1,116.0 646.3,100.8 579.6,82.7 368.6,40.3 158.4,1.0 108.5,1.0 112.7,701.7 146.1,701.9 148.7,994.6 143.5,1279.1 143.8,1437.9 149.7,1810.3 693.1,1805.7 1571.3,1791.3 1572.0,1865.7 1599.3,1872.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[641.0,89.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.02278570702522,32.41657060165542]}},{"type":"Feature","properties":{"resourceCoords":[149.0,694.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.02413746138852,32.417473752419724]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p32","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1600.8,1687.1 1523.2,1147.9 1594.5,1109.1 1498.2,965.8 1372.2,45.3 1126.7,38.5 1074.9,37.0 790.6,24.6 260.6,1.0 238.0,1.0 203.6,531.7 178.1,1063.8 128.2,1804.2 401.4,1816.6 616.5,1829.2 685.2,1838.0 684.1,1853.4 1607.1,1732.2 1600.8,1687.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1445.0,589.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.02028865965505,32.41486308073885]}},{"type":"Feature","properties":{"resourceCoords":[1577.0,1713.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0227861550257,32.41488296272404]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p33","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0033","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1080.6,110.9 1080.5,72.8 1612.0,628.2 1612.0,648.4 1520.6,647.4 1582.2,1351.3 1611.9,1351.9 1612.0,1363.3 1612.0,1800.4 1075.4,1795.1 546.3,1791.7 18.4,1797.1 10.5,1343.5 10.9,108.3 1080.6,110.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1083.0,644.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.01817369765347,32.419079894733606]}},{"type":"Feature","properties":{"resourceCoords":[44.0,786.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0205066399918,32.41917599489724]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0034__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p34 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"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":"4470.0"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0034__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0034","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"593.5,1044.7 653.5,1034.3 662.6,1046.8 720.1,1040.7 788.1,1033.5 788.4,998.2 1021.5,999.9 1296.5,1001.8 1399.8,925.6 1490.2,914.9 1586.6,915.5 1531.5,590.6 1575.3,591.5 1573.9,281.0 1575.7,45.1 1115.1,36.8 580.9,31.5 39.5,18.7 38.4,18.6 39.5,43.9 38.4,568.5 38.7,851.4 39.2,887.1 566.9,1049.6 593.5,1044.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0034__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1569.0,589.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.01553214125191,32.41541338233267]}},{"type":"Feature","properties":{"resourceCoords":[52.0,589.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.01884927340953,32.415896487181996]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0034__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p34 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.84"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4136.0"},{"label":"split_canvas_w","value":"3152.4"},{"label":"split_canvas_h","value":"3516.0"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0034__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0034","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.0,1912.0 148.6,1912.0 709.4,1912.0 696.8,1852.1 687.0,1793.0 653.5,1628.9 550.1,1093.5 543.5,1059.9 174.1,1099.0 150.6,1103.9 68.8,1110.2 65.7,1110.5 66.8,1336.0 72.0,1642.3 28.8,1641.9 78.0,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0034__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[602.1,1360.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0142318,32.415751]}},{"type":"Feature","properties":{"resourceCoords":[72.0,1642.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.015519,32.415408]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0035__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p35 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.92"},{"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":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0035__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0035","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.5,302.2 52.8,357.5 61.8,722.5 71.2,1110.7 84.1,1672.4 89.8,1844.9 89.8,1847.0 824.6,1776.8 825.5,1793.2 1543.7,1827.2 1543.8,1817.6 1499.0,1817.7 1554.2,1129.1 1474.0,676.7 1191.0,601.6 1185.5,601.7 628.5,610.1 517.7,611.9 518.0,611.0 514.5,611.0 591.0,353.8 530.5,223.0 586.0,31.9 651.9,1.0 556.6,1.0 297.6,111.0 213.4,114.1 207.9,149.2 49.5,220.4 51.5,302.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0035__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[778.0,1391.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.012703,32.415731]}},{"type":"Feature","properties":{"resourceCoords":[78.0,1391.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0142318,32.415751]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p36","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0036","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"489.1,1781.2 345.8,1779.7 265.8,1780.5 78.2,1784.8 76.5,1673.3 75.4,1481.8 67.3,835.5 34.0,835.9 60.7,786.5 60.2,232.9 162.4,171.7 402.8,176.7 424.9,118.5 560.0,64.7 771.2,51.3 1532.2,70.1 1584.2,540.2 1611.5,521.3 1519.0,984.4 1400.3,1600.0 1360.7,1826.8 994.9,1753.0 994.2,1757.1 636.5,1762.0 636.5,1778.8 489.1,1781.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[628.0,1150.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.024208,32.419808]}},{"type":"Feature","properties":{"resourceCoords":[1301.0,1221.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.021253,32.419559]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0037__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p37 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"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":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0037__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0037","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1206.3,531.8 1173.8,451.7 1156.5,448.3 1156.5,406.4 1106.1,274.4 1107.8,227.2 1042.7,74.2 519.7,19.5 330.0,37.3 210.3,16.5 38.6,45.6 27.1,1785.3 33.4,1794.6 494.7,1894.2 606.9,1363.3 588.0,1359.5 918.9,1153.1 928.9,1155.2 918.8,1200.5 1274.8,1242.8 1278.2,1228.2 1500.9,1274.6 1501.0,1274.1 1501.2,1273.2 1555.4,1008.8 1603.9,781.1 1612.0,743.2 1612.0,537.4 1456.2,534.8 1274.6,532.6 1206.3,531.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0037__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[544.0,31.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.01211795717514,32.420403906802406]}},{"type":"Feature","properties":{"resourceCoords":[544.0,1903.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.02033608813349,32.420256573104005]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0039__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p39 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.53"},{"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":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0039__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0039","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"518.3,1713.9 826.1,1816.8 929.5,1676.2 1132.0,1661.6 1345.5,1705.9 1405.8,1786.0 1548.8,1736.9 1497.2,1662.8 1577.8,1564.3 1564.7,1080.2 1509.2,1067.6 1499.5,932.5 1338.9,886.1 1065.5,928.9 1033.7,797.9 941.4,792.1 864.2,84.1 222.2,65.5 86.6,113.3 147.7,816.6 33.6,1476.3 124.5,1763.6 518.3,1713.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0039__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[913.0,1394.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.041498,32.418006]}},{"type":"Feature","properties":{"resourceCoords":[177.0,1394.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.041783,32.4167]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p4 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"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":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1529.6,41.1 531.5,21.0 250.2,218.3 153.8,186.8 122.4,315.3 39.2,354.2 56.1,514.6 178.5,591.0 30.1,1021.8 47.0,1166.0 612.1,1236.7 677.6,1477.0 642.5,1878.8 1010.1,1879.8 1448.1,1877.0 1566.7,1879.2 1563.9,1517.7 1558.1,1178.7 1560.8,938.6 1559.6,567.4 1565.6,1.0 1531.0,1.0 1529.6,41.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1539.0,570.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0288034983703,32.40827957248802]}},{"type":"Feature","properties":{"resourceCoords":[1539.0,1845.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.02754789670267,32.406129567562765]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.8,1730.3 51.5,1648.2 123.9,1634.8 51.5,1313.3 127.2,1293.3 92.5,1112.9 194.3,738.2 137.6,669.5 134.6,357.6 244.7,150.4 538.3,172.2 603.8,122.7 599.1,113.5 725.9,199.8 925.2,312.9 1281.7,483.8 1561.7,620.2 1561.8,637.4 1612.0,713.7 1612.0,1711.5 1569.7,1713.2 1570.6,1836.2 849.5,1831.8 534.2,1835.5 154.6,1825.2 35.8,1730.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.03295003173396,32.4145148703796]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.0298164752424,32.41582395718435]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.02799024642023,32.41266450354957]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.0311238029118,32.41135541674482]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"160.5,1707.8 196.0,1708.1 194.7,1832.2 799.1,1821.7 799.0,1794.6 1525.9,1813.2 1529.1,1617.7 1522.1,1184.8 1521.8,917.5 1612.0,831.0 1612.0,1.0 1567.8,1.0 1567.3,121.2 1524.0,122.6 1524.3,245.7 802.6,238.2 486.9,240.6 107.0,228.6 147.6,261.4 202.0,550.5 160.5,1707.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.03133445846268,32.41191482766611]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.02821071508434,32.41323408377676]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.02637039654746,32.41008435855856]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.0294941399258,32.40876510244791]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"148.6,128.9 734.9,110.1 734.5,83.7 1439.9,91.3 1439.0,221.4 1445.3,544.9 1460.0,1168.8 1456.7,1513.1 1460.9,1865.6 741.1,1874.0 166.8,1883.0 160.8,1522.4 151.9,1184.2 152.4,944.6 147.9,574.2 148.6,128.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[742.0,1179.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.02698458136875,32.407760423425636]}},{"type":"Feature","properties":{"resourceCoords":[1470.0,1179.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0255209342416,32.40835587909855]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Selma, Alabama | 1907 | sanborn00091_006 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:18:28Z","modified":"2026-10-19T00:18:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"23.9,1295.6 10.9,463.9 149.1,466.5 160.7,83.0 280.8,85.1 863.9,81.2 1594.7,79.2 1596.1,781.0 1591.2,781.0 1594.2,1076.3 1612.0,1687.9 1612.0,1778.8 1612.0,1797.9 1456.3,1779.0 1303.9,1841.6 410.1,1862.9 68.5,1816.0 27.5,1682.8 49.0,1682.8 64.8,1295.3 23.9,1295.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000911907:00091_1907-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1575.0,782.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.02422968572539,32.405996929078455]}},{"type":"Feature","properties":{"resourceCoords":[1575.0,99.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.02489355934433,32.40713395805949]}}]}}]}