{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08291_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Chattanooga, Tennessee | 1930 | 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":"124"},{"label":"placed","value":"89"},{"label":"unplaced","value":"35"},{"label":"fit sources","value":"georef 47, georef-snap 41, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"19 sheet(s) cut into 43 panels"},{"label":"unplaced pages","value":"p331 (tier 1, 35.04604,-85.26418 +/-257m); p332__1 (tier 1, 35.05525,-85.25957 +/-100m); p332__2 (tier 1, 35.05516,-85.25906 +/-124m); p337 (tier 1, 35.04568,-85.26437 +/-258m); p338__1 (tier 3, 35.08715,-85.26685 +/-594m); p338__2 (tier 1, 35.08599,-85.26578 +/-100m); p339__2 (tier 1, 35.06310,-85.27377 +/-100m); p343__2 (tier 1, 35.06201,-85.25662 +/-129m); p343__3 (tier 1, 35.06004,-85.25853 +/-132m); p613 (tier 1, 35.06998,-85.30954 +/-261m); p615 (tier 2, 35.06734,-85.29952 +/-242m); p621__1 (tier 1, 35.06488,-85.29720 +/-100m); p623__1 (tier 1, 35.06552,-85.28924 +/-252m); p628__1 (tier 1, 35.06951,-85.28591 +/-173m); p634__2 (tier 1, 35.07732,-85.30186 +/-141m); p636__1 (tier 3, 35.06509,-85.33309 +/-594m); p636__2 (tier 3, 35.06509,-85.33309 +/-594m); p639__1 (tier 1, 35.06545,-85.31644 +/-142m); p639__2 (tier 1, 35.06219,-85.32097 +/-444m); p639__3 (tier 1, 35.06235,-85.32196 +/-100m); p640__1 (tier 4, 35.06732,-85.28051 +/-8671m); p640__2 (tier 4, 35.06732,-85.28051 +/-8671m); p645__1 (tier 1, 35.06831,-85.29559 +/-181m); p645__2 (tier 1, 35.07041,-85.29544 +/-100m); p645__3 (tier 1, 35.07045,-85.29405 +/-120m); p645__4 (tier 1, 35.07018,-85.29530 +/-109m); p650__1 (tier 4, 35.06732,-85.28051 +/-8671m); p650__2 (tier 4, 35.06732,-85.28051 +/-8671m); p651 (tier 1, 35.06844,-85.31472 +/-250m); p652 (tier 4, 35.06732,-85.28051 +/-8671m); p653__1 (tier 1, 35.06633,-85.29151 +/-100m); p654 (tier 2, 35.12452,-85.34731 +/-100m); p655__2 (tier 1, 35.11470,-85.29464 +/-100m); p656__2 (tier 1, 35.11538,-85.29731 +/-100m); p657__3 (tier 1, 35.07135,-85.30770 +/-114m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0301/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p301","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0301/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0301","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"783.0,1851.1 783.0,1847.0 260.0,1831.1 256.3,1842.8 88.2,1882.4 84.0,100.0 88.9,83.8 204.8,49.0 1491.1,56.5 1489.2,371.2 1482.0,867.0 1482.5,1556.5 1480.8,1852.0 783.0,1851.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0301/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[349.0,1550.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2507603,35.0760859]}},{"type":"Feature","properties":{"resourceCoords":[1482.0,867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2478789,35.0763844]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0302/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p302","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.75"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0302/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0302","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1465.5,1769.8 1439.8,1865.2 761.9,1906.5 761.8,1901.8 74.4,1903.6 72.5,1560.8 64.0,872.3 65.6,377.1 63.8,62.8 1540.8,54.4 1577.3,1415.1 1559.2,1612.7 1539.9,1770.8 1465.5,1769.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0302/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[750.0,872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2465067713884,35.07587252174378]}},{"type":"Feature","properties":{"resourceCoords":[66.0,1544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.24848806577798,35.07528347584317]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0303/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p303","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0303/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0303","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"45.4,1848.8 106.5,1182.3 153.6,1182.0 150.5,702.4 155.3,679.5 147.3,128.3 313.9,87.0 317.4,75.2 837.6,84.7 837.6,88.7 1531.5,81.0 1531.8,128.6 1534.0,478.0 1549.8,1839.9 158.0,1848.0 45.4,1848.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0303/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[158.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2531364,35.0728953]}},{"type":"Feature","properties":{"resourceCoords":[1534.0,478.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2491157,35.0741127]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0304/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p304","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0304/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0304","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"108.2,1862.0 1456.8,1835.2 1445.2,1103.2 1508.0,313.4 1566.5,311.7 1516.0,111.4 1528.0,1.0 1453.8,1.0 1429.7,95.3 755.0,144.8 754.9,140.1 70.2,150.5 76.5,499.9 108.2,1862.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0304/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[770.0,143.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.24739540456166,35.07416178500379]}},{"type":"Feature","properties":{"resourceCoords":[770.0,1851.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.24900287944266,35.071371048234774]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0305/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p305","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0305/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0305","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"119.0,1514.5 147.4,1514.8 119.7,815.3 108.7,815.4 104.2,153.7 1501.4,145.2 1499.0,813.2 1504.8,1655.8 1506.0,1823.5 1134.4,1790.2 1134.5,1815.3 809.2,1789.7 809.2,1800.0 463.8,1805.5 463.8,1812.4 120.5,1799.2 119.0,1514.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0305/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[457.0,813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2530342,35.071552]}},{"type":"Feature","properties":{"resourceCoords":[798.0,149.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2517446,35.0723834]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0306/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p306","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0306/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0306","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"780.0,1826.4 780.0,1836.1 87.8,1827.7 87.8,1652.8 87.8,805.0 94.7,133.0 1456.5,130.7 1446.4,805.0 1452.7,1480.7 1477.6,1480.7 1451.2,1831.2 780.0,1826.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0306/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[780.0,805.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2495701,35.0702635]}},{"type":"Feature","properties":{"resourceCoords":[780.0,132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.248967,35.0713618]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0307/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p307","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0307/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0307","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.7,117.2 395.1,133.7 395.1,126.7 740.8,124.5 740.9,114.2 1066.2,142.9 1066.2,117.7 1437.7,154.5 1437.3,297.4 1433.2,1869.7 1433.1,1903.3 143.7,1902.7 142.6,1866.3 28.4,1866.0 104.9,1197.3 48.2,1197.2 49.9,543.1 51.7,117.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0307/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[394.0,544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2543048,35.0692378]}},{"type":"Feature","properties":{"resourceCoords":[738.0,1199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.254201,35.0679096]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0308/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p308","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0308/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0308","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1112.4,1664.5 786.6,1667.9 785.0,1825.6 103.9,1818.4 104.4,1770.5 121.1,215.3 122.5,80.3 803.4,95.8 803.5,86.2 1438.4,97.5 1478.3,420.0 1458.2,419.8 1444.9,1673.5 1112.4,1664.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0308/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[445.0,1822.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2527587,35.0659644]}},{"type":"Feature","properties":{"resourceCoords":[793.0,1069.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2513805,35.0669662]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0309/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p309","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0309/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0309","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"49.6,1562.5 51.8,819.1 130.5,18.2 190.0,17.6 223.1,159.6 805.5,31.3 1387.7,69.3 1515.0,53.2 1448.6,888.1 1358.3,888.0 1357.8,1745.8 1357.8,1810.2 717.4,1786.0 717.4,1783.2 46.0,1791.9 49.6,1562.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0309/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[54.0,202.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.24639765883812,35.0730724896689]}},{"type":"Feature","properties":{"resourceCoords":[54.0,1562.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.24760756942364,35.07086541730251]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0310/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p310","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0310/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0310","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"100.8,1537.5 126.4,1537.7 152.0,1189.1 127.2,1189.2 119.7,517.4 125.5,73.6 789.1,63.2 789.1,66.1 1422.2,88.4 1422.3,118.9 1424.6,1310.7 1552.7,1506.8 1167.3,1884.7 1113.8,1937.2 792.7,1917.5 792.6,1861.7 318.6,1862.6 145.3,1863.0 100.8,1537.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0310/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[790.0,516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.246897,35.0692804]}},{"type":"Feature","properties":{"resourceCoords":[125.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2494486,35.0675641]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0311/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p311","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0311/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0311","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"444.1,1948.0 227.8,1945.2 193.4,1513.7 238.2,1468.4 47.0,1280.0 47.0,8.4 241.3,8.4 717.0,8.4 717.0,64.5 1039.2,84.8 951.8,170.2 812.9,305.9 1100.1,606.9 1318.2,821.5 1604.5,1253.8 1605.2,1380.0 1605.2,1388.9 1558.7,1413.2 1545.5,1732.5 1607.0,1780.7 724.0,1790.9 724.5,1947.8 564.3,1948.0 495.8,1948.0 444.1,1948.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0311/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[717.0,674.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2487074,35.0659831]}},{"type":"Feature","properties":{"resourceCoords":[47.0,674.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2500463,35.0664755]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0312/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p312","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0312/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0312","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"751.2,1773.8 449.6,1770.4 40.0,1753.2 45.9,1561.8 51.8,1367.4 68.2,834.0 74.5,345.1 466.0,490.0 470.1,321.7 1542.1,80.5 1526.0,120.4 1580.4,621.6 1566.3,1710.5 1535.8,1866.0 1366.4,1909.8 1358.6,1933.1 1297.2,1933.6 1249.9,1885.0 751.2,1773.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0312/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[466.0,767.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.245798,35.0664644]}},{"type":"Feature","properties":{"resourceCoords":[466.0,490.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2452266,35.0666523]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0313/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p313","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0313/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0313","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"46.6,1613.3 52.0,230.1 737.7,232.7 738.3,74.0 1066.2,68.3 1401.1,75.0 1590.2,262.8 1545.6,307.5 1578.0,736.1 1550.8,735.6 1536.3,1417.4 1553.2,1731.4 1231.4,1788.4 1231.5,1784.7 673.0,1761.1 673.1,1738.7 151.9,1697.9 56.3,1792.2 46.6,1613.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0313/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[736.0,1118.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.25286695167053,35.06425112523536]}},{"type":"Feature","properties":{"resourceCoords":[58.0,228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.25343594158454,35.066217736554975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0314/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p314","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0314/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0314","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1560.3,1843.0 1553.1,829.8 1527.8,829.6 1501.5,1.0 1489.8,1.0 1496.1,119.2 1177.9,175.3 1177.9,171.8 625.7,148.1 625.8,125.9 110.4,85.3 15.8,178.5 21.6,407.7 48.2,407.8 53.0,1805.2 410.3,1818.3 1069.0,1827.1 1552.0,1843.0 1559.8,1843.0 1560.3,1843.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0314/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1512.0,418.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2520074,35.0621282]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,1843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2532165,35.0597194]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0315/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p315","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.28"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0315/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0315","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1561.8,958.5 1533.3,1692.4 669.0,1682.9 664.7,1690.3 2.2,1758.3 5.4,1545.7 28.9,1546.1 67.2,1464.8 2.3,247.1 17.0,247.3 27.8,40.4 55.5,41.6 418.5,57.5 1085.5,71.0 1574.5,90.6 1561.8,958.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0315/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.25631798190523,35.06100414613383]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.25305160353439,35.05983967544383]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.25475424932614,35.056594229484894]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.25802062769698,35.057758700174894]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0316/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p316","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0316/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0316","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.5,278.4 41.3,252.7 697.5,172.9 701.5,165.5 1559.8,159.5 1555.2,456.6 1549.4,1135.3 1545.0,1822.0 1044.1,1812.1 632.7,1815.5 550.4,1816.2 56.4,1822.3 54.3,1788.2 41.5,278.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0316/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1042.0,1140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2566487,35.055853]}},{"type":"Feature","properties":{"resourceCoords":[1545.0,1822.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2562628,35.0543464]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0317/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p317","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0317/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0317","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.7,903.5 53.8,213.4 419.5,216.2 580.4,215.7 579.7,58.2 1470.7,46.7 1565.8,116.5 1570.1,1837.1 579.1,1799.9 579.1,1788.5 122.9,1871.4 123.9,1948.0 106.3,1948.0 98.0,1948.0 66.3,1099.1 54.2,1099.2 42.7,903.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0317/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[574.0,531.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2501315,35.0633858]}},{"type":"Feature","properties":{"resourceCoords":[574.0,894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2504569,35.0627951]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0318/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p318","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.64"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0318/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0318","type":"ImageService3","width":1601,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"564.4,114.7 564.2,126.0 1547.2,170.7 1539.2,1618.3 1600.0,1623.1 1600.0,1658.5 554.6,1677.4 554.5,1767.9 106.0,1733.2 108.0,1298.0 116.4,1298.0 111.1,193.3 564.4,114.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0318/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[555.0,1298.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2523176,35.0593947]}},{"type":"Feature","properties":{"resourceCoords":[108.0,1298.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2532165,35.0597194]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0319/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p319","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0319/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0319","type":"ImageService3","width":1601,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1441.2,63.4 1442.0,533.3 1506.7,534.3 1511.5,808.3 1600.0,808.2 1600.0,874.0 1600.0,921.0 1513.5,921.6 1516.3,1079.3 1521.4,1079.2 1541.2,1789.2 1559.6,1789.5 1557.0,1905.0 1496.0,1926.3 191.6,1895.4 67.9,1876.2 34.5,1800.5 10.8,546.8 31.3,521.6 41.2,36.0 736.2,48.9 1423.3,63.0 1441.2,63.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0319/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[738.0,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.25559452031929,35.05547149771168]}},{"type":"Feature","properties":{"resourceCoords":[770.0,1798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.25208444623993,35.05426210473474]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0320/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p320","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0320/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0320","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"69.4,815.5 158.3,815.5 158.1,928.9 71.2,929.4 78.8,1087.8 97.5,1801.2 116.0,1801.7 113.1,1917.8 402.7,1817.4 628.8,1899.4 1470.2,1916.7 1560.1,1877.0 1581.6,1604.7 1546.0,1604.7 1527.4,551.2 1436.3,551.1 1471.5,99.1 1029.1,96.8 1.0,66.8 1.0,539.0 65.0,540.2 69.4,815.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0320/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1025.0,538.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.25312343692832,35.057959034610924]}},{"type":"Feature","properties":{"resourceCoords":[1025.0,90.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.25401766995839,35.058281603493995]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0321/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p321","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0321/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0321","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1036.3,1829.5 526.0,1849.0 49.5,1863.3 64.1,328.9 7.5,328.5 1.7,134.3 28.2,142.6 85.8,49.9 1535.4,53.6 1536.8,296.0 1546.5,1834.8 1036.3,1829.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0321/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[526.0,1849.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2612756,35.0562576]}},{"type":"Feature","properties":{"resourceCoords":[1537.0,336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2579085,35.057967]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0322/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p322","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0322/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0322","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"130.9,1712.9 126.0,864.0 124.9,808.7 123.5,743.2 459.5,16.2 601.0,15.1 607.9,145.5 1103.1,125.0 1353.8,112.7 1400.1,860.5 1377.8,860.8 1382.4,1871.8 1372.0,1872.2 1324.6,1872.3 375.6,1880.9 131.9,1880.8 130.9,1712.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0322/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1122.0,864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.261932,35.0550287]}},{"type":"Feature","properties":{"resourceCoords":[126.0,864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2639315,35.0557949]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0323/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p323","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0323/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0323","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1412.7,1785.5 1317.7,1813.2 1234.8,1828.9 915.1,1840.9 175.6,1857.5 160.1,1857.8 173.6,843.3 195.9,843.4 162.9,92.3 414.3,84.3 917.1,92.9 918.9,127.1 1415.2,125.3 1488.2,125.4 1417.4,805.1 1433.5,804.9 1448.5,1487.2 1468.2,1487.2 1479.7,1758.7 1412.7,1785.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0323/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[918.0,1484.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2604911,35.0532306]}},{"type":"Feature","properties":{"resourceCoords":[918.0,110.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2592537,35.0554991]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0324/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p324","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0324/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0324","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.9,1701.0 119.2,1704.2 106.8,1430.4 86.8,1430.5 69.5,742.3 53.3,742.6 122.5,56.8 132.3,56.8 549.2,55.7 1056.7,68.6 1542.7,75.5 1541.6,96.5 1547.1,1809.4 1060.3,1792.1 1060.3,1782.2 558.5,1773.7 558.4,1766.7 120.0,1802.1 126.9,1701.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0324/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[548.0,759.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2578993820283,35.053592302744065]}},{"type":"Feature","properties":{"resourceCoords":[1053.0,759.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.25689097071668,35.05322053143363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0325/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p325","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0325/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0325","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"111.6,1613.4 111.5,1119.2 108.0,602.9 96.8,103.9 347.2,107.0 1322.7,110.1 1366.3,110.5 1427.2,1121.0 1397.6,1121.0 1404.8,1624.7 1428.9,1625.0 1451.5,1882.0 620.6,1872.6 620.7,1880.5 120.0,1866.5 111.6,1613.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0325/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[953.0,1120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2640983,35.0518614]}},{"type":"Feature","properties":{"resourceCoords":[618.0,1616.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.265198,35.0513081]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0326/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p326","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0326/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0326","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"777.1,1876.7 777.1,1872.5 95.6,1858.4 75.8,1606.1 52.2,1605.6 49.7,1111.4 78.8,1111.8 28.3,120.0 33.3,120.1 59.2,119.7 802.3,105.7 1123.6,94.8 1206.9,79.3 1302.5,51.9 1377.6,22.0 1294.7,1123.0 1330.2,1122.8 1412.3,1122.5 1405.7,1746.7 1338.6,1746.2 1340.0,1849.5 777.1,1876.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0326/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[790.0,1120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2617449562841,35.05098282014836]}},{"type":"Feature","properties":{"resourceCoords":[790.0,1618.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.26218770312704,35.05016308478989]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0327/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p327","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0327/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0327","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"171.6,1136.2 53.7,1139.0 109.1,134.6 546.5,93.5 546.8,100.3 1048.2,102.3 1048.3,112.2 1534.8,123.0 1563.5,1869.2 1081.8,1816.6 1081.3,1790.7 630.0,1822.1 178.6,1877.8 171.6,1136.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0327/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[614.0,1136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.25961680582446,35.050190624480585]}},{"type":"Feature","properties":{"resourceCoords":[1540.0,1136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.25777716211061,35.049488313517394]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0328/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p328","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0328/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0328","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"102.7,1576.0 113.1,1440.1 105.3,1002.8 111.3,364.6 100.2,106.8 592.2,115.6 592.0,107.8 1501.0,108.8 1494.5,359.4 1435.3,359.8 1445.0,858.0 1443.2,1363.5 1451.4,1849.3 622.4,1845.9 108.0,1850.3 102.7,1576.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0328/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[107.0,858.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.267082,35.0500395]}},{"type":"Feature","properties":{"resourceCoords":[1445.0,858.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2644192,35.0490242]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0329/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p329","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0329/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0329","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1540.4,1777.4 1127.7,1764.0 1149.0,1848.0 463.4,1858.0 92.5,1860.3 85.7,1369.1 89.0,858.0 80.7,354.3 140.6,354.1 147.9,100.8 744.4,103.2 744.4,107.4 1313.8,70.3 1347.3,1182.5 1432.9,1182.9 1540.4,1777.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0329/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[89.0,858.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2644192,35.0490242]}},{"type":"Feature","properties":{"resourceCoords":[1149.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2632317,35.0466361]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0330/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p330","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0330/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0330","type":"ImageService3","width":1596,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1048.9,1866.4 1544.3,1831.0 1541.7,1704.8 1556.0,1704.7 1547.3,1685.5 1540.3,125.1 1052.8,65.9 1052.5,39.6 594.8,66.1 136.6,117.1 136.8,1.0 68.7,1.0 95.1,1221.9 133.9,1222.5 181.1,1223.1 283.9,1821.0 1049.0,1852.4 1048.9,1866.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0330/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1055.0,1230.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2603502,35.0468493]}},{"type":"Feature","properties":{"resourceCoords":[1055.0,328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2595469,35.0483045]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0333/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p333","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0333/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0333","type":"ImageService3","width":1596,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1474.5,1872.8 1113.4,1882.1 886.0,1821.3 90.5,1807.3 52.8,1492.6 106.4,1393.0 13.7,417.0 43.8,414.6 40.7,208.0 515.0,204.6 992.7,205.8 1483.3,194.0 1488.7,692.1 1479.6,1001.0 1486.7,1201.2 1482.0,1366.6 1496.2,1755.7 1498.0,1862.0 1474.5,1872.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0333/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[51.0,1376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.271927,35.0475784]}},{"type":"Feature","properties":{"resourceCoords":[51.0,1752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2722722,35.0469676]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0334/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p334","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0334/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0334","type":"ImageService3","width":1596,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"80.8,1733.2 72.1,1347.4 79.1,1183.6 74.8,985.1 88.0,679.1 89.5,185.5 601.4,189.4 1426.2,206.4 1425.5,695.0 1419.5,1729.8 1459.2,1796.9 1158.3,1840.6 255.7,1760.7 81.2,1838.5 80.8,1733.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0334/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[752.0,1190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2675676,35.0462776]}},{"type":"Feature","properties":{"resourceCoords":[1422.0,1190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2662176,35.0457847]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0335/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p335","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0335/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0335","type":"ImageService3","width":1596,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"90.8,1733.1 81.0,688.1 74.1,194.8 442.6,191.9 1124.1,180.7 1102.7,97.2 1489.4,109.1 1476.8,362.4 1472.8,362.4 1430.5,1046.0 1433.9,1046.0 1471.1,1716.1 1327.7,1715.7 1328.7,1791.4 1064.1,1840.7 184.8,1791.7 131.8,1800.2 90.8,1733.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0335/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[85.0,1188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2662176,35.0457847]}},{"type":"Feature","properties":{"resourceCoords":[1140.0,690.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2636688,35.0457978]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0336/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p336","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0336/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0336","type":"ImageService3","width":1600,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"64.9,1784.9 410.8,1853.3 822.2,1809.4 1059.7,1876.8 1476.3,1789.0 1518.8,112.0 1468.9,1.0 1454.2,1.0 1456.5,125.3 964.8,159.4 964.9,145.5 182.2,111.6 166.4,365.4 162.4,365.4 111.5,1050.2 114.9,1050.2 143.8,1722.5 1.0,1720.2 1.0,1796.0 64.9,1784.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0336/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[909.0,1740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2624515849864,35.04329571615431]}},{"type":"Feature","properties":{"resourceCoords":[507.0,364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.26202174084077,35.04582880203454]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0339__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p339 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"6348.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0339__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0339","type":"ImageService3","width":1587,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1271.5,1303.4 1441.0,934.8 1512.7,934.0 1516.3,1000.1 1530.2,999.5 1527.2,235.8 1499.0,236.0 1494.8,139.4 1242.0,64.5 1012.8,64.2 931.2,94.3 934.5,313.4 847.5,358.5 697.9,341.5 87.0,379.3 28.7,635.7 34.5,816.2 89.1,932.0 121.8,1258.0 97.4,1719.2 58.9,1778.9 67.7,1833.0 27.9,1845.8 257.2,1886.6 257.6,1893.8 771.6,1857.9 771.7,1862.4 1277.0,1874.5 1276.3,1794.8 1273.0,1364.7 1271.5,1303.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0339__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[924.0,653.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.26398666278952,35.05863297432752]}},{"type":"Feature","properties":{"resourceCoords":[248.0,1231.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2677394742072,35.05779130402831]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0340/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p340","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0340/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0340","type":"ImageService3","width":1587,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"770.1,1871.9 337.2,1896.1 98.0,1862.5 68.3,1722.3 96.5,1655.7 60.0,1556.0 84.3,1462.1 65.9,1375.0 93.0,1333.8 81.8,1077.5 29.6,906.0 37.7,794.5 98.4,680.1 48.1,383.3 80.1,306.7 76.4,233.7 79.0,91.5 261.7,36.7 491.4,81.8 491.6,89.1 1008.6,62.4 1008.6,66.9 1516.0,88.2 1515.9,93.6 1520.5,340.7 1521.3,596.5 1520.4,841.2 1527.9,1096.5 1520.3,1418.2 1521.2,1638.8 1515.0,1707.2 1515.7,1845.5 1269.3,1848.6 1029.5,1845.2 791.4,1844.2 791.7,1948.0 776.5,1948.0 770.1,1871.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0340/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[491.0,596.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.26984271039392,35.053981466383995]}},{"type":"Feature","properties":{"resourceCoords":[1508.0,1476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.26737154544831,35.04963502493411]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0341/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p341","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.66"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0341/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0341","type":"ImageService3","width":1587,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"499.1,1609.2 439.1,1669.0 347.2,1480.0 174.8,1655.5 111.0,1557.9 109.5,964.7 109.3,917.8 108.2,495.8 152.7,495.6 184.1,84.8 489.0,45.4 606.6,70.0 654.2,48.4 1342.2,48.4 1489.1,92.5 1536.1,214.6 1536.6,288.1 1491.5,333.1 1536.1,431.7 1535.5,792.4 1484.2,823.8 1483.0,939.0 1536.5,1066.3 1489.5,1116.2 1566.6,1540.1 1548.5,1880.1 1398.6,1911.0 1136.5,1910.8 1007.5,1879.1 972.8,1894.8 499.1,1609.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0341/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[392.0,495.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2432784,35.0705891]}},{"type":"Feature","properties":{"resourceCoords":[441.0,1091.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2441664,35.0685531]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0342__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p342 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.57"},{"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":"3087.2"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0342__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0342","type":"ImageService3","width":1587,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"687.2,1819.5 697.7,1819.3 727.4,1483.0 751.1,1482.7 748.7,1240.7 751.1,1229.2 729.9,56.9 711.5,120.5 632.8,156.8 493.2,42.9 290.7,53.4 291.4,82.0 128.7,115.7 81.0,345.1 111.3,617.4 73.7,796.6 106.8,868.4 111.3,1156.8 193.6,1326.2 145.2,1742.7 197.7,1856.5 669.0,1819.6 669.1,1819.6 687.2,1819.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0342__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[590.9,1802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2537560242594,35.07319538026533]}},{"type":"Feature","properties":{"resourceCoords":[753.8,1109.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.25183804130828,35.07520408979571]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0342__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p342 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3075.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3272.4"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0342__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0342","type":"ImageService3","width":1587,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"958.9,100.3 961.5,106.2 859.4,179.5 838.0,307.1 902.2,722.9 841.5,1067.2 820.1,1826.1 907.1,1820.5 1175.8,1885.8 1516.9,1837.8 1531.9,1872.1 1561.9,1780.8 1545.8,1780.8 1545.3,1762.7 1488.6,1762.2 1528.7,1429.8 1500.5,1429.5 1503.4,1104.2 1507.1,750.6 1521.2,751.0 1512.9,402.6 1507.5,402.6 1509.0,236.3 1510.4,73.3 1443.8,72.7 1426.0,72.5 958.9,100.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0342__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1511.1,1106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.25496685303645,35.06947432846551]}},{"type":"Feature","properties":{"resourceCoords":[1511.1,754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.25434204837497,35.070640065088185]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0343__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p343 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.80"},{"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":"3076.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0343__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0343","type":"ImageService3","width":1587,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"681.2,1845.2 688.5,1845.2 692.8,1740.7 706.8,1741.3 707.3,1741.3 705.5,1030.0 692.0,1030.0 689.2,913.3 684.5,823.3 688.2,127.2 688.2,119.8 58.2,117.7 28.3,209.8 45.0,247.4 61.4,544.3 118.4,728.7 117.0,902.0 68.0,1088.2 114.7,1277.1 73.0,1377.8 77.8,1490.8 116.3,1531.3 227.0,1502.8 291.1,1536.1 364.2,1627.0 430.4,1832.0 596.0,1779.2 678.8,1808.3 681.2,1845.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0343__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[692.0,1030.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2550381,35.0632504]}},{"type":"Feature","properties":{"resourceCoords":[339.0,101.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2548036,35.0668121]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0601/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p601","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0601/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0601","type":"ImageService3","width":1595,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.6,1674.4 396.6,1669.7 458.2,1680.0 532.3,1717.8 639.4,1792.6 659.6,1768.7 1136.2,1831.5 1173.1,1791.0 1550.7,1876.7 1565.2,1928.0 1559.8,1300.6 1541.1,1300.2 1537.2,1127.1 1538.8,765.4 1530.8,676.9 1365.6,405.3 1343.3,320.4 1345.0,112.0 1346.0,36.5 793.4,21.8 793.4,24.3 335.5,39.5 335.3,58.4 1.0,56.3 1.0,640.6 17.3,640.7 42.1,640.8 35.2,1677.8 114.6,1674.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0601/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[335.0,112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3119123,35.0678331]}},{"type":"Feature","properties":{"resourceCoords":[1345.0,112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3120945,35.0660114]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0602/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p602","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0602/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0602","type":"ImageService3","width":1595,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1565.5,354.9 1551.8,303.1 1173.3,210.9 1135.5,251.0 657.1,180.5 636.4,204.1 529.8,127.2 455.9,88.0 394.1,76.7 110.3,77.1 37.0,79.0 42.0,826.9 1.0,870.0 1.0,876.2 38.6,913.2 33.2,1143.2 35.1,1142.9 99.2,1657.2 350.1,1700.7 371.0,1789.5 620.5,1810.6 647.4,1876.5 1184.6,1818.3 1503.8,1872.3 1556.3,1643.4 1565.5,354.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0602/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[582.0,1444.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.31838179262733,35.06777720606462]}},{"type":"Feature","properties":{"resourceCoords":[582.0,820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.31701335134146,35.067703043523075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0603/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p603","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0603/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0603","type":"ImageService3","width":1595,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"655.1,1823.2 1228.0,1857.5 1227.9,1865.9 1506.2,1865.0 1505.6,1928.9 1510.4,1928.9 1510.7,1928.9 1543.2,957.2 1522.0,1.0 1510.4,1.0 1510.3,102.7 107.4,104.0 75.4,104.1 28.9,585.1 70.2,1722.0 113.4,1796.3 157.3,1818.1 158.1,1842.4 655.0,1831.0 655.1,1823.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0603/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[664.0,1078.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3094089,35.0762753]}},{"type":"Feature","properties":{"resourceCoords":[1513.0,1078.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3075667,35.0761802]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0604/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p604","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0604/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0604","type":"ImageService3","width":1584,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1103.1,1760.5 1102.8,1833.9 531.5,1833.3 149.4,1830.3 146.3,1135.6 103.6,1136.8 61.4,132.4 554.7,114.8 554.7,107.0 1124.0,133.8 1124.0,142.1 1400.4,137.6 1405.6,201.0 1401.0,364.7 1414.2,869.3 1416.0,1765.0 1103.1,1760.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0604/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[564.0,863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3096353,35.073601]}},{"type":"Feature","properties":{"resourceCoords":[1416.0,1765.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.307925,35.0718737]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0605/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p605","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0605/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0605","type":"ImageService3","width":1584,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1369.1,1686.2 1372.8,1873.7 1075.7,1843.3 1075.7,1853.1 528.9,1816.4 502.2,1811.3 117.2,1801.5 114.9,1043.8 125.0,141.4 507.9,144.0 1080.2,144.1 1080.5,70.6 1394.0,74.8 1384.7,326.8 1376.1,1177.8 1369.1,1686.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0605/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[528.0,1044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3099741,35.0702642]}},{"type":"Feature","properties":{"resourceCoords":[528.0,144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3098233,35.071869]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0606/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p606","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0606/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0606","type":"ImageService3","width":1584,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1354.1,1904.0 1293.9,1417.5 1295.4,1202.9 1319.2,1203.9 1563.0,1214.0 1562.7,1185.1 1555.2,369.1 1548.0,135.0 1253.7,108.2 1253.8,117.9 712.1,87.6 685.7,82.8 304.5,77.4 298.8,387.5 1.0,392.9 1.0,740.5 18.9,740.5 37.0,1199.1 39.5,1199.0 28.2,1752.7 212.0,1754.0 623.2,1754.8 772.5,1778.7 1009.6,1850.6 1247.8,1928.3 1307.4,1928.2 1355.3,1928.2 1354.1,1904.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0606/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[212.0,1754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3115244,35.0659668]}},{"type":"Feature","properties":{"resourceCoords":[714.0,376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3101534,35.0683674]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0607/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p607","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0607/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0607","type":"ImageService3","width":1584,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1544.7,322.1 1583.0,324.3 1583.0,314.9 1583.0,285.9 1460.8,1.0 1.0,1.0 1.0,63.8 23.5,713.1 24.4,1217.4 19.9,1547.2 785.8,1948.0 943.0,1948.0 944.0,1939.0 1007.0,1938.0 1012.5,1938.0 1081.2,1816.8 1155.2,1686.3 1083.0,1655.4 1302.6,730.9 1550.0,734.5 1544.7,322.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0607/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[960.0,2035.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30514701276228,35.06796265580049]}},{"type":"Feature","properties":{"resourceCoords":[1526.0,724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.302376024442,35.06681455674671]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0608/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p608","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0608/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0608","type":"ImageService3","width":1584,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1078.4,330.7 1015.5,341.1 860.7,342.5 193.8,1.0 100.5,1.0 80.2,358.6 113.1,373.3 102.3,1126.9 93.1,1126.0 54.1,1856.9 556.8,1867.2 976.2,1861.9 1333.4,1865.1 1326.2,1297.2 1353.4,1306.0 1438.3,619.0 1106.1,467.8 1112.8,278.4 1078.4,330.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0608/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[945.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30827989377627,35.06830165787001]}},{"type":"Feature","properties":{"resourceCoords":[1025.0,425.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30514225912337,35.06797683400965]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0609/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p609","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0609/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0609","type":"ImageService3","width":1584,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1451.7,1802.2 1503.0,1808.4 1508.1,1321.2 1547.9,1320.7 1538.2,223.3 1515.9,275.6 823.4,207.5 831.6,179.9 261.0,201.3 268.3,661.8 268.9,690.8 24.0,682.3 1.0,681.5 1.0,904.7 63.8,1385.1 66.4,1432.2 114.6,1680.2 166.6,1887.2 212.5,1884.0 224.7,1883.7 729.5,1853.7 1404.5,1823.6 1446.5,1825.2 1451.7,1802.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0609/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[262.0,682.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30846199729791,35.066741283902594]}},{"type":"Feature","properties":{"resourceCoords":[708.0,842.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30751932137625,35.0663788236481]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0610/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p610","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0610/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0610","type":"ImageService3","width":1584,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"306.0,1948.0 369.1,1948.0 570.5,1934.9 729.4,1932.7 714.8,1921.1 1399.9,1895.1 1388.2,1910.0 1530.2,1905.0 1520.4,1330.8 1502.7,1338.7 1489.2,452.0 1482.0,206.9 557.0,30.0 529.6,102.8 397.2,35.4 329.8,1.0 136.7,1.0 18.5,286.9 39.9,1385.8 1.0,1386.7 1.0,1874.8 306.1,1942.8 306.0,1948.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0610/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[530.0,1110.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30464743482024,35.0657786169594]}},{"type":"Feature","properties":{"resourceCoords":[530.0,106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30441578313877,35.067572303659766]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0611/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p611","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0611/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0611","type":"ImageService3","width":1584,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"145.9,1283.4 160.9,1537.8 85.0,1765.8 137.0,1889.5 863.9,1831.5 1083.7,1893.0 1518.7,1833.5 1443.9,1326.2 1386.3,1302.3 1378.6,1239.8 1353.5,1036.0 1427.0,891.0 1509.4,761.0 1547.7,604.7 1549.8,572.5 1576.3,130.8 1227.2,36.0 1225.9,41.4 1219.9,64.0 1178.3,61.0 507.9,66.9 6.5,78.8 1.0,78.7 1.0,280.8 84.4,610.5 155.6,878.2 185.2,1054.1 188.4,1134.8 177.7,1283.8 145.9,1283.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0611/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[501.0,494.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.307754,35.0637908]}},{"type":"Feature","properties":{"resourceCoords":[1257.0,1261.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3061824,35.0623213]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0612/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p612","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.42"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0612/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0612","type":"ImageService3","width":1584,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.0,1716.6 115.0,1715.9 140.5,1793.8 505.3,1809.3 600.1,1876.2 1306.5,1913.4 1306.0,1933.8 1309.7,1933.8 1384.3,1847.3 1412.5,1477.3 1395.4,1434.0 1394.1,1367.2 1430.9,1235.0 1481.7,568.1 1492.0,562.0 1509.3,549.4 1567.8,166.4 1425.0,147.2 1439.3,134.3 750.9,43.8 763.4,57.9 604.4,33.0 401.1,11.9 338.1,1.2 257.1,440.9 250.9,473.3 192.5,627.1 92.7,748.7 1.0,885.1 1.0,1161.6 55.4,1192.5 68.0,1716.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0612/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[973.0,1746.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3037172,35.0613063]}},{"type":"Feature","properties":{"resourceCoords":[1475.0,102.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.302857,35.064273]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0614/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p614","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0614/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0614","type":"ImageService3","width":1582,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1390.9,1000.2 1343.8,952.9 1189.9,647.4 1139.0,556.8 1043.4,454.8 877.1,315.6 767.0,248.0 665.5,167.0 545.4,98.2 466.6,55.6 454.1,49.0 411.9,31.1 1.0,187.2 1.0,1948.0 456.1,1948.0 461.9,1942.4 463.5,1899.0 459.0,1818.6 586.2,1795.0 598.2,1765.7 799.5,1709.1 785.0,1754.1 1581.0,1730.1 1581.0,1602.1 1483.5,1326.2 1370.1,1005.2 1390.9,1000.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0614/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1143.0,571.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.29627724895974,35.07156597270524]}},{"type":"Feature","properties":{"resourceCoords":[-7.0,873.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.29887095500516,35.071134519083024]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0616/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p616","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0616/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0616","type":"ImageService3","width":1591,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1419.8,1385.8 1492.7,1276.8 1483.9,1125.5 1457.7,974.1 1429.0,771.9 1159.6,132.0 315.9,207.4 327.8,161.3 128.7,230.2 118.5,260.3 1.0,289.4 1.0,353.1 1.3,372.1 2.2,415.9 1.0,417.2 1.0,1700.0 3.0,1774.3 1.1,1833.3 520.2,1861.5 521.2,1895.8 1001.5,1648.2 1419.8,1385.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0616/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1387.0,1442.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.29518309449988,35.067008872410405]}},{"type":"Feature","properties":{"resourceCoords":[1427.0,795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.29493072218018,35.0681633258794]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0617/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p617","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0617/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0617","type":"ImageService3","width":1591,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"165.6,1860.5 671.1,1824.8 667.0,1830.2 1191.1,1862.0 1382.8,902.1 1410.5,866.2 1349.1,322.5 1296.8,390.2 1300.8,1.0 806.0,1.0 571.3,104.8 533.4,105.2 535.2,67.3 127.3,77.1 111.4,962.2 129.3,954.9 114.0,1910.0 165.6,1860.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0617/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[546.0,66.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30148197490718,35.06673860031976]}},{"type":"Feature","properties":{"resourceCoords":[102.0,66.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30245564320332,35.06679615467975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0618/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p618","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0618/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0618","type":"ImageService3","width":1591,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"168.1,1865.4 1023.2,1832.8 1077.1,1784.6 1159.3,1786.3 1128.6,1739.8 1309.1,1585.3 1313.6,1238.6 1327.1,874.1 1334.0,786.0 1368.7,178.7 1369.3,144.4 849.9,91.5 854.6,32.4 855.5,1.0 10.0,1.0 10.0,10.0 1.0,10.9 1.0,45.5 168.1,46.1 162.6,435.8 215.1,368.4 274.3,911.7 246.5,947.4 42.6,1948.0 51.4,1948.0 64.6,1948.0 97.9,1921.5 168.1,1865.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0618/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[277.0,289.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2996136,35.0663093]}},{"type":"Feature","properties":{"resourceCoords":[1334.0,786.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2973667,35.0652862]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0619/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p619","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0619/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0619","type":"ImageService3","width":1591,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"736.6,1904.3 262.4,1876.2 139.0,1804.0 113.5,1623.2 176.3,1519.5 142.4,1146.1 118.2,1105.8 105.7,1039.5 120.2,901.6 59.0,228.6 68.3,220.7 134.7,152.9 651.5,100.2 647.5,105.8 1185.5,121.6 1174.5,187.3 1233.9,136.4 1299.5,80.2 1203.8,601.2 1131.3,659.0 1101.5,1133.5 991.0,1264.5 992.0,1335.0 1239.8,1047.6 1230.8,1831.2 736.6,1904.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0619/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[670.0,1012.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30164844896657,35.061969953819556]}},{"type":"Feature","properties":{"resourceCoords":[490.0,767.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30197824876456,35.06243035381943]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0620/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p620","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.58"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0620/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0620","type":"ImageService3","width":1591,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"227.3,1821.6 429.8,1794.8 587.4,1864.0 658.5,1812.3 787.5,1899.2 1129.0,1906.8 1433.0,1834.3 1463.9,1755.8 1493.1,1753.2 1441.4,365.6 1457.9,375.3 1583.0,380.7 1321.8,1.0 1237.3,1.0 1185.1,49.6 324.3,100.2 319.9,103.9 218.5,613.9 146.5,669.6 110.3,1134.9 1.0,1260.7 1.0,1330.0 247.4,1052.6 227.3,1821.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0620/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1462.0,397.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.29767074255271,35.06278007296748]}},{"type":"Feature","properties":{"resourceCoords":[1462.0,1559.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.29789551790667,35.060710258372474]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0621__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p621 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"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":"6380.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0621__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0621","type":"ImageService3","width":1595,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1292.2,1529.6 1198.7,988.6 1188.7,849.0 1187.8,272.4 1188.3,143.3 1188.2,100.3 640.7,73.7 638.0,1.0 621.5,1.0 476.4,123.4 368.4,169.2 266.8,164.6 211.5,151.0 151.3,119.0 108.2,68.0 131.3,565.6 110.5,1110.3 639.7,1416.1 715.6,1462.1 1036.5,1639.0 1345.5,1799.8 1292.2,1529.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0621__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[651.0,579.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.29566687059253,35.065850235798955]}},{"type":"Feature","properties":{"resourceCoords":[120.0,579.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.29611850110183,35.06672779216891]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0622/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p622","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0622/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0622","type":"ImageService3","width":1589,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1568.5,1472.5 1527.7,1450.0 1547.6,733.5 1438.2,646.2 1429.8,455.4 1349.9,356.2 1477.5,1.0 1477.4,1.0 1443.7,78.5 1259.8,146.8 1150.9,100.4 1075.4,101.4 560.7,89.2 69.0,91.8 67.7,666.1 77.2,805.2 168.2,1344.5 220.4,1613.9 276.3,1845.0 787.9,1787.8 830.6,1715.5 962.5,1492.6 1020.7,1367.5 1546.4,1515.0 1568.5,1472.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0622/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[556.0,1271.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2965582,35.0635384]}},{"type":"Feature","properties":{"resourceCoords":[1075.0,689.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2949334,35.0630891]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0623__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p623 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2322.8"},{"label":"split_canvas_y","value":"4440.4"},{"label":"split_canvas_w","value":"4041.2"},{"label":"split_canvas_h","value":"3355.6"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0623__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0623","type":"ImageService3","width":1591,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1567.8,1519.8 1564.8,1404.8 1554.3,1110.1 1528.8,1110.1 582.9,1372.3 583.5,1440.5 788.4,1538.5 1185.0,1740.3 1379.8,1834.6 1432.9,1882.1 1484.5,1948.0 1505.0,1948.0 1544.7,1948.0 1529.1,1622.2 1567.8,1519.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0623__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[771.6,1531.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.28940639184299,35.06854458491894]}},{"type":"Feature","properties":{"resourceCoords":[1541.0,1132.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.28795952570987,35.06748293650745]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0624__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p624 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.86"},{"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":"6364.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0624__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0624","type":"ImageService3","width":1591,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1123.2,1847.0 985.8,1786.1 1039.2,1647.0 949.3,1647.9 974.2,1610.1 854.8,1549.0 709.8,1582.5 601.0,1534.3 599.1,638.4 700.8,463.7 639.9,86.8 374.8,115.9 245.8,205.2 77.7,123.7 72.7,363.4 62.0,1070.0 52.1,1695.1 49.3,1822.7 537.4,1827.3 1048.2,1846.8 1123.2,1847.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0624__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[556.0,1070.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2926121,35.0648892]}},{"type":"Feature","properties":{"resourceCoords":[62.0,1070.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2930553,35.0657082]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0624__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p624 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.73"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2804.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3560.0"},{"label":"split_canvas_h","value":"6189.6"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0624__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0624","type":"ImageService3","width":1591,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1527.6,647.8 1480.6,648.7 1360.3,125.5 1224.9,134.1 970.4,125.2 765.7,118.1 749.5,108.7 811.4,1463.9 988.2,1446.7 1121.4,1522.5 1355.4,1492.4 1524.4,1327.8 1527.6,647.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0624__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[763.0,1309.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2979395,35.0606495]}},{"type":"Feature","properties":{"resourceCoords":[763.0,118.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2976815,35.06282]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0625/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p625","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0625/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0625","type":"ImageService3","width":1587,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1383.5,632.3 1448.3,426.9 1586.0,346.5 1586.0,236.3 1381.8,275.6 1201.6,197.1 1369.3,168.8 680.9,108.0 687.5,153.5 228.7,181.9 266.4,354.4 38.2,392.8 29.4,535.9 1.0,541.3 1.0,728.6 280.4,1058.0 220.2,1162.0 138.8,1326.3 98.3,1496.0 113.8,1666.8 123.2,1695.8 134.3,1937.6 209.6,1930.0 219.8,1948.0 752.4,1948.0 734.5,1914.2 1032.3,1576.5 1079.0,1572.3 1184.8,1572.7 1325.9,1577.0 1456.2,1601.1 1473.0,1602.0 1467.3,1029.6 1432.8,1022.9 1446.0,813.2 1466.9,807.5 1383.5,632.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0625/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.29798334298711,35.07600175525153]}},{"type":"Feature","properties":{"resourceCoords":[1587.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.2950263361511,35.07452933941551]}},{"type":"Feature","properties":{"resourceCoords":[1587.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.29722035833363,35.07153630563296]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.30017736516965,35.07300872146898]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0626/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p626","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0626/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0626","type":"ImageService3","width":1592,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"484.6,1811.4 702.8,1791.2 844.0,1795.3 945.3,1823.3 1273.9,1930.5 1341.4,1930.4 1351.0,1914.5 1487.7,1724.6 1591.0,1585.1 1566.3,1554.7 1568.3,1344.2 1515.3,1214.4 1484.5,1073.6 1505.1,749.9 1535.8,647.4 1569.6,602.6 1575.1,599.5 1579.4,133.9 1509.8,137.0 1163.8,158.3 1054.3,218.0 97.5,21.1 85.7,402.7 214.5,436.2 74.3,510.9 106.3,615.7 1.0,731.0 1.0,946.6 131.2,1087.2 113.1,1098.8 163.1,1301.3 197.8,1297.6 374.0,1838.3 484.6,1811.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0626/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[881.0,1786.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.29621494023071,35.07155358083034]}},{"type":"Feature","properties":{"resourceCoords":[1142.0,185.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.29319491874797,35.07311635293599]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0627/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p627","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0627/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0627","type":"ImageService3","width":1596,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"240.5,1414.4 153.5,1326.0 87.4,453.9 609.8,133.4 616.4,97.7 1104.3,208.2 1167.2,91.1 1234.4,130.3 1529.6,908.7 1391.5,1125.5 1340.2,1269.1 1318.3,1465.8 1226.0,1552.5 1175.9,1644.0 1013.9,1595.7 679.5,1843.2 658.4,1808.9 393.6,1853.1 355.6,1739.6 240.5,1414.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0627/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[279.0,1278.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.29317284147851,35.073371953309874]}},{"type":"Feature","properties":{"resourceCoords":[1286.0,25.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.29236094978481,35.0762075957414]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0628__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p628 [2]","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":"6384.0"},{"label":"split_canvas_h","value":"5676.0"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0628__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0628","type":"ImageService3","width":1596,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1419.1,1357.8 1595.0,1212.0 1595.0,1077.1 1438.4,523.6 1444.3,34.8 1163.7,84.9 219.3,174.8 249.9,299.7 340.9,477.4 311.0,601.6 319.5,706.5 155.1,755.9 9.3,1150.0 111.4,1197.3 265.1,1238.7 357.5,1248.6 481.5,1248.5 668.3,1267.2 770.1,1256.5 1163.9,1365.0 1153.5,1389.9 1190.5,1392.3 1199.0,1392.9 1220.7,1394.3 1417.5,1380.8 1419.1,1357.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0628__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.2915141840152,35.074811318256735]}},{"type":"Feature","properties":{"resourceCoords":[1596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28806726454843,35.074424100089814]}},{"type":"Feature","properties":{"resourceCoords":[1596.0,1419.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28848497796025,35.071898250656055]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1419.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.29193189742702,35.072285468822976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0629/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p629","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0629/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0629","type":"ImageService3","width":1596,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1319.5 1.0,1321.4 346.1,1602.5 422.6,1577.7 699.6,1516.0 788.0,1549.3 814.4,1691.5 1528.0,1906.4 1523.2,1405.7 1467.4,1406.4 1224.3,1147.7 1269.3,1143.2 1346.1,821.7 1433.2,821.0 1206.0,14.8 834.5,172.4 762.3,243.2 606.1,343.3 510.1,419.5 432.4,468.5 288.1,530.8 140.8,566.3 98.9,831.8 48.6,832.2 24.2,1295.2 18.6,1298.0 1.0,1319.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0629/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.29122177508656,35.0736992822071]}},{"type":"Feature","properties":{"resourceCoords":[1596.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28878295010576,35.07160655319597]}},{"type":"Feature","properties":{"resourceCoords":[1596.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.2918836240885,35.069151870117594]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.2943224490693,35.071244599128725]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0630/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p630","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0630/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0630","type":"ImageService3","width":1596,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"302.7,1839.9 779.4,1843.4 1477.2,1841.2 1326.3,1663.9 1354.3,1599.8 1259.7,1585.5 1118.5,1417.0 1239.2,1211.1 1262.2,1164.2 1321.5,1043.8 1352.6,985.6 1362.6,966.8 1365.3,960.5 1385.5,912.7 597.9,1.0 545.1,1.0 612.3,83.0 570.8,142.7 453.6,1.0 352.6,1.0 413.8,79.2 314.1,4.5 254.8,266.1 267.6,285.4 66.6,462.1 275.9,1246.8 187.8,1245.7 105.7,1569.4 60.1,1573.0 302.7,1839.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0630/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1073.0,378.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.28776145517568,35.070870000203875]}},{"type":"Feature","properties":{"resourceCoords":[934.0,1250.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.28932858426616,35.069946400703884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0631/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p631","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0631/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0631","type":"ImageService3","width":1596,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"147.8,988.5 153.8,888.8 167.9,834.8 200.2,776.1 251.0,734.6 367.8,677.8 435.9,544.0 489.1,401.5 565.7,214.2 842.0,233.0 1193.2,236.2 1514.4,239.2 1534.9,645.8 1595.0,719.1 1595.0,809.7 1436.9,939.6 1512.1,1027.6 1522.9,1462.8 1525.1,1465.5 1470.5,1795.2 1483.0,1810.0 781.5,1801.6 203.2,1794.3 237.4,1257.2 309.9,1255.7 310.1,1240.7 191.1,1095.2 147.8,988.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0631/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[842.0,233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2943392,35.0683759]}},{"type":"Feature","properties":{"resourceCoords":[1483.0,1810.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2916144,35.0662094]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0632/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p632","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0632/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0632","type":"ImageService3","width":1596,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"578.0,238.0 610.0,266.8 626.0,305.8 618.4,201.8 1082.1,15.6 1235.1,400.8 1495.8,1037.5 1278.0,1431.1 1176.0,1624.5 1126.2,1676.5 1057.8,1726.3 1055.7,1787.1 340.2,1796.4 328.1,1822.7 88.7,1822.6 75.9,1808.0 125.1,1475.3 122.8,1472.7 104.5,1035.0 27.3,947.8 184.1,814.3 182.6,723.2 120.8,650.5 93.2,241.8 578.0,238.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0632/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[814.0,764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2910377432057,35.0684905764497]}},{"type":"Feature","properties":{"resourceCoords":[-562.0,245.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.29429736195061,35.0683945587347]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0633/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p633","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"22"},{"label":"confidence","value":"0.03"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0633/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0633","type":"ImageService3","width":1596,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1135.3,43.9 1133.6,53.0 622.2,10.7 1.0,1799.7 1.0,1938.2 8.0,1933.0 24.0,1933.0 25.0,1948.0 723.5,1948.0 733.8,1917.2 670.9,1860.1 864.2,1667.3 881.2,1637.5 1012.1,1495.0 1067.9,1464.2 1184.0,1400.1 1382.1,1343.5 1514.0,1315.0 1559.8,973.6 1594.8,713.5 1242.2,1.0 1139.5,1.0 1135.3,43.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0633/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[337.0,1984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3004656,35.0725603]}},{"type":"Feature","properties":{"resourceCoords":[1514.0,1315.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2986519,35.0741168]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0634__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p634 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"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":"6384.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0634__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0634","type":"ImageService3","width":1596,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1553.5,1788.4 1560.0,1788.1 1593.3,1788.0 1595.0,1787.1 1595.0,62.2 1568.6,47.2 1595.0,7.8 1278.5,125.4 1255.1,125.7 1213.2,12.8 1216.2,153.5 697.1,836.4 761.7,984.8 790.0,1032.3 768.8,1068.2 521.6,947.1 515.0,947.8 149.0,1812.8 392.9,1815.4 891.2,1813.2 1553.5,1788.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0634__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[905.0,1808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30212202855309,35.069490786979046]}},{"type":"Feature","properties":{"resourceCoords":[1421.0,535.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30081029767034,35.07171970845045]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0635/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p635","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0635/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0635","type":"ImageService3","width":1598,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"211.0,378.0 250.1,386.7 473.1,455.6 643.2,510.7 658.7,476.0 858.3,411.0 964.3,319.6 1087.7,245.8 1400.3,162.4 1507.0,158.9 1532.3,167.3 1390.9,593.5 1441.3,656.4 1597.0,894.1 1597.0,908.1 1597.0,989.0 1473.3,1065.0 1531.9,1916.4 1516.0,1877.0 1484.0,1848.0 672.4,1850.7 317.5,1851.9 38.0,1836.4 120.0,1146.2 78.9,1127.5 135.9,1011.7 170.6,718.7 211.0,378.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0635/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[211.0,378.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2958268,35.0707528]}},{"type":"Feature","properties":{"resourceCoords":[1484.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2919713,35.0692058]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0637/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p637","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0637/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0637","type":"ImageService3","width":1598,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1518.1,1754.5 1489.6,957.9 1470.4,947.1 1462.0,517.6 1441.0,48.5 1182.4,50.0 974.3,52.5 889.9,76.3 622.1,246.6 533.9,256.2 172.8,261.7 1.0,268.9 1.0,287.6 27.5,286.9 146.0,1232.5 35.8,1325.9 65.3,1764.3 364.8,1913.4 1213.5,1872.1 1518.1,1754.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0637/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[101.0,754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.31463435749657,35.064940058286005]}},{"type":"Feature","properties":{"resourceCoords":[-69.0,253.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.31489678803482,35.06587461384581]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0638/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p638","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0638/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0638","type":"ImageService3","width":1594,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.0,982.4 37.0,971.0 40.9,537.9 33.1,64.7 446.4,71.7 596.0,98.0 833.1,173.9 1071.3,255.6 1179.3,257.2 1180.0,278.1 1180.0,279.9 1222.8,529.1 1270.2,737.3 1316.2,735.1 1321.9,735.1 1324.7,934.8 1414.4,1270.2 1489.8,1539.2 1522.1,1716.2 1526.5,1797.5 1517.6,1948.0 1485.5,1948.0 1479.7,1867.6 1281.7,1731.6 802.1,1653.7 448.2,1649.4 61.8,1786.0 56.0,982.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0638/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[596.0,98.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3102965,35.0658335]}},{"type":"Feature","properties":{"resourceCoords":[37.0,971.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3116605,35.064341]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0641/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p641","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0641/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0641","type":"ImageService3","width":1598,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1557.5,1374.3 1501.6,1361.3 1278.5,998.0 1337.8,1001.1 1338.9,863.1 1349.0,863.6 1352.5,863.8 1336.1,1.0 1316.0,1.0 1318.0,62.4 1299.2,17.5 1288.8,1.0 1210.7,1.0 1218.9,49.0 787.7,69.3 503.4,26.6 504.1,17.9 454.2,29.6 418.9,23.6 390.1,11.4 357.3,1.0 353.6,1.0 327.2,47.8 317.8,95.3 315.4,96.8 319.1,565.8 303.3,681.2 317.2,723.0 323.3,784.8 308.5,841.0 260.9,845.9 257.5,846.2 249.3,899.0 161.5,1604.9 103.2,1597.7 128.2,1758.9 253.7,1871.7 477.1,1858.2 552.8,1723.0 725.5,1736.7 853.7,1868.6 1096.4,1912.8 1488.4,1852.4 1546.5,1629.4 1568.6,1376.9 1557.5,1374.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0641/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[307.0,124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.29680592022217,35.082517529789584]}},{"type":"Feature","properties":{"resourceCoords":[987.0,1173.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30121837227954,35.07986964604915]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0642/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p642","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0642/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0642","type":"ImageService3","width":1596,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"351.9,1905.1 352.2,1902.5 485.9,1848.4 841.2,1873.7 839.6,1898.4 885.4,1746.6 941.4,1754.8 917.1,1529.5 913.0,1529.5 893.7,1531.4 885.2,1487.1 1165.1,1274.8 1216.8,1271.8 1142.8,1216.4 1149.3,1203.1 1095.0,1156.9 1148.2,1055.3 1068.2,1018.8 1194.5,829.1 1174.3,818.1 1405.0,564.4 1365.9,639.0 1451.2,591.3 1532.2,427.1 1470.1,451.1 1363.4,292.4 1408.1,272.5 1167.5,79.4 983.6,109.5 838.7,185.6 563.2,182.3 361.0,177.0 1.0,144.6 1.0,152.8 71.8,163.2 39.1,370.8 57.7,520.2 134.9,523.7 145.0,541.6 161.7,587.1 162.5,525.0 182.5,525.9 160.1,1385.3 146.6,1384.0 139.2,1521.2 80.5,1515.4 285.9,1886.6 341.0,1902.0 351.9,1905.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0642/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[361.0,177.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.294398,35.0783529]}},{"type":"Feature","properties":{"resourceCoords":[341.0,1902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3019541,35.077788]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0643/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p643","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0643/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0643","type":"ImageService3","width":1598,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1777.5 1.0,1837.4 721.8,1838.5 722.2,1838.5 776.4,1840.2 788.1,1890.9 846.5,1898.8 908.0,1885.0 948.4,1865.9 1066.7,1867.5 1538.9,1805.7 1524.7,1788.4 1467.7,1578.3 1478.5,1557.5 1454.9,1237.0 1478.9,1186.5 1487.4,1142.3 1485.1,1097.5 1472.3,1046.5 1457.9,1008.8 1435.3,972.0 1428.7,882.2 1417.2,890.3 1448.7,517.4 1463.1,463.9 1475.0,434.0 1538.7,362.2 1555.6,330.8 1509.0,320.3 1567.2,252.0 1551.2,252.0 1520.3,70.1 1469.0,46.6 1169.0,89.0 994.4,54.4 704.6,77.0 615.1,56.0 312.4,113.9 243.3,172.0 102.2,181.2 90.6,120.6 92.1,1090.0 39.6,1403.8 51.4,1763.2 1.0,1777.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0643/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[912.0,1857.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.29939591967911,35.08245542809413]}},{"type":"Feature","properties":{"resourceCoords":[387.0,2517.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30183827338745,35.080251813240714]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0644/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p644","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.68"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0644/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0644","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"221.4,1792.8 223.0,1756.6 231.6,1726.2 240.4,1689.7 187.2,1667.9 138.6,1664.5 122.6,1645.1 65.4,1436.5 76.2,1415.7 51.9,1097.3 75.6,1047.0 84.0,1003.1 81.6,958.6 68.8,907.9 54.3,870.5 31.8,834.0 25.0,744.8 13.7,752.9 44.0,382.2 58.1,329.0 70.0,299.3 133.1,227.8 149.8,196.4 103.5,186.2 161.1,118.2 457.4,116.3 523.5,81.4 1114.9,41.6 1525.3,86.4 1566.5,472.1 1566.7,700.6 1520.2,802.8 1562.2,1371.2 1544.1,1894.3 1210.8,1920.5 447.0,1831.0 239.4,1841.2 221.4,1792.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0644/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[379.0,505.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2952994670746,35.08653405558217]}},{"type":"Feature","properties":{"resourceCoords":[1797.0,-96.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.28898691757121,35.08832493570292]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0646/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p646","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0646/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0646","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"148.8,1193.6 67.0,1051.2 60.5,775.5 58.7,572.9 78.7,210.6 70.5,210.9 81.4,115.1 113.8,83.5 443.2,139.8 614.9,121.4 678.8,73.1 1201.5,71.1 1366.4,41.0 1474.7,63.4 1528.2,112.2 1558.7,554.2 1574.2,555.3 1569.7,601.3 1525.5,633.6 1482.9,646.3 1304.5,812.7 1323.9,840.5 1412.8,1285.4 1417.1,1377.0 1417.8,1478.8 1395.6,1598.3 1354.6,1763.5 1212.2,1759.7 741.0,1708.3 740.5,1695.7 764.9,1568.5 479.6,1258.9 440.5,1253.0 432.8,1319.5 182.1,1358.7 148.8,1193.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0646/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.29482352170498,35.080393620955235]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28782490782264,35.08078649275]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28724712033008,35.07379537949353]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.29424573421242,35.073402507698766]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0647/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p647","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0647/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0647","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"7.4,1462.8 1.0,1644.8 1.0,1840.8 7.8,1818.7 36.4,1859.8 11.8,1948.0 39.3,1948.0 47.7,1948.0 62.2,1896.9 71.0,1909.6 141.5,1666.9 243.2,1698.7 266.5,1632.5 292.7,1685.1 346.5,1721.2 376.7,1724.0 551.8,1727.0 647.6,1727.2 687.0,1736.1 747.6,1760.8 913.4,1846.7 906.5,1853.8 1339.5,1948.0 1386.1,1948.0 1397.5,1883.5 1520.6,1893.8 1563.0,1825.5 1550.1,717.4 1528.5,668.1 1552.2,490.5 1516.5,113.1 1506.4,84.8 1246.2,35.1 804.2,29.1 530.3,79.3 427.8,61.2 418.6,106.2 371.7,133.5 328.6,141.7 135.9,287.4 151.9,316.9 191.9,765.9 186.4,856.9 176.3,957.7 141.8,1073.4 84.0,1232.4 7.4,1462.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0647/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[768.0,1769.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.28501642789529,35.07291715985467]}},{"type":"Feature","properties":{"resourceCoords":[386.0,1305.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.28703508798152,35.07432993645965]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0648/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p648","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0648/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0648","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"275.1,194.7 273.3,123.5 317.1,164.0 381.1,178.8 410.7,170.5 577.7,110.3 668.5,75.9 709.0,70.2 775.4,71.7 963.3,93.4 959.4,102.6 1403.5,35.8 1446.3,20.6 1448.0,20.6 1457.9,72.6 1523.7,94.7 1561.8,233.6 1530.7,674.5 1557.7,977.2 1515.3,1258.5 1497.1,1827.8 1126.0,1879.5 540.3,1876.0 336.4,1795.6 257.9,1810.6 307.5,1778.4 436.0,1693.0 435.4,1691.3 22.4,1306.6 11.7,1197.0 119.9,1145.8 201.3,1099.8 240.2,1079.6 265.0,1063.7 196.9,462.6 188.0,456.4 167.3,201.2 275.1,194.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0648/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[436.0,1693.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2878921,35.0674782]}},{"type":"Feature","properties":{"resourceCoords":[617.0,900.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2864677,35.0701365]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0649/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p649","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0649/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0649","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"53.1,1443.3 57.9,1317.7 57.5,870.4 51.5,631.9 64.7,78.9 487.2,32.1 753.0,57.4 1063.6,26.5 1312.1,72.0 1384.7,63.7 1542.7,82.0 1574.6,1048.7 1317.8,1394.4 1351.1,1468.5 1365.5,1492.2 1355.1,1510.4 1230.3,1451.0 1227.1,1451.3 1048.2,1887.5 1006.9,1887.6 984.7,1931.5 984.3,1931.5 984.2,1904.7 984.1,1886.2 803.3,1876.9 796.0,1893.5 416.1,1890.0 416.5,1885.3 48.0,1867.5 53.1,1443.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0649/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1010.0,1888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30395000760404,35.069577700006484]}},{"type":"Feature","properties":{"resourceCoords":[49.0,136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.30757627776298,35.07610414371239]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0653__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p653 [2]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"18"},{"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":"6472.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0653__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0653","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1441.1,1910.2 1541.0,1858.2 1579.6,1569.3 1587.3,722.0 1551.3,42.8 1137.8,27.6 631.0,69.6 386.4,40.4 119.7,60.5 81.5,94.8 91.5,498.3 33.9,929.8 85.9,1029.6 92.8,1123.7 218.8,1166.1 340.3,1265.5 471.6,1409.3 490.6,1861.1 832.8,1849.4 1156.2,1907.0 1441.1,1910.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0653__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[969.0,334.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3409124,35.1254404]}},{"type":"Feature","properties":{"resourceCoords":[123.0,375.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3418616,35.1283669]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0655__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p655 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.13"},{"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":"6472.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0655__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0655","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"139.1,1684.3 393.0,1864.5 426.1,1874.9 430.9,1843.5 724.1,1861.5 1031.4,1908.3 1071.1,1909.4 1061.8,1862.6 1365.7,1814.0 1347.7,1563.6 1497.4,1518.0 1532.9,1137.8 1488.8,936.2 1205.0,845.8 1164.7,683.1 1243.3,659.5 1244.9,627.5 930.4,622.5 900.0,469.8 899.6,108.7 432.4,74.5 393.4,98.2 369.6,257.7 186.3,294.1 162.0,191.8 112.3,221.5 115.8,498.7 85.2,604.0 125.3,905.6 96.1,1098.0 206.2,1612.0 139.1,1684.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0655__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[522.0,1196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2889531,35.1186419]}},{"type":"Feature","properties":{"resourceCoords":[126.0,1766.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2910693,35.1169723]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0656__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p656 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.27"},{"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":"6472.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0656__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0656","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1048.7,1163.8 1048.7,1156.8 1060.9,1156.5 1127.2,1117.4 1333.6,1097.5 1487.7,1047.3 1489.6,907.4 1549.7,721.3 1493.3,100.4 1171.4,118.1 1030.9,59.3 1003.2,5.1 967.2,14.2 679.1,50.6 410.9,109.3 414.7,138.8 382.2,137.9 108.0,40.9 90.8,74.7 75.8,213.1 132.2,498.9 99.5,826.2 148.1,1320.3 54.2,1544.0 60.1,1818.9 81.6,1861.0 298.4,1901.2 373.0,1879.4 744.2,1910.0 997.6,1870.2 991.0,1346.4 1023.6,1178.6 1048.7,1163.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0656__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[517.0,1347.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2919952,35.1122379]}},{"type":"Feature","properties":{"resourceCoords":[139.0,1495.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2938264,35.1123881]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0657__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p657 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"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":"3212.0"},{"label":"split_canvas_h","value":"1374.4"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0657__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0657","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"753.5,207.7 754.6,64.0 463.1,88.6 60.9,53.2 37.5,237.7 746.1,258.2 747.8,207.5 753.5,207.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0657__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[326.0,231.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3092831,35.0780577]}},{"type":"Feature","properties":{"resourceCoords":[747.0,231.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3074316,35.0780076]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0657__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1930 | sanborn08291_007 p657 [2]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.89"},{"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":"6472.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T05:13:14Z","modified":"2026-10-18T05:13:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0657__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0657","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1409.1,1890.7 1409.2,1884.8 1559.1,1883.0 1563.0,1727.4 1560.0,1351.0 1562.9,902.8 1559.3,557.0 1538.1,557.8 1513.7,46.0 1491.7,35.6 1495.8,42.4 1063.0,36.4 886.5,84.7 844.8,125.7 827.0,367.7 675.7,402.6 678.9,1315.8 633.8,1360.9 469.8,1332.9 319.1,1375.3 104.8,1374.0 40.0,1777.8 62.7,1917.8 177.6,1918.8 197.3,1898.2 220.8,1919.8 594.3,1911.5 594.2,1908.2 1115.3,1911.8 1115.4,1899.3 1115.4,1890.6 1409.1,1890.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291193003:08291_03_1930-0657__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1560.0,1351.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3108741,35.0703213]}},{"type":"Feature","properties":{"resourceCoords":[1560.0,419.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.31054,35.0736658]}}]}}]}