{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00071_009.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mobile, Alabama | 1955 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"98"},{"label":"placed","value":"79"},{"label":"unplaced","value":"19"},{"label":"fit sources","value":"georef 50, georef-snap 26, snap:2 1, snap:0 1, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p0 (tier 4, 30.68675,-88.04667 +/-2586m); p13d (tier 1, 30.69303,-88.04082 +/-263m); p13l (tier 4, 30.68675,-88.04667 +/-2586m); p14 (tier 1, 30.68977,-88.04685 +/-132m); p2 (tier 2, 30.69674,-88.04949 +/-1234m); p25 (tier 1, 30.70419,-88.04964 +/-262m); p26__1 (tier 2, 30.70006,-88.04373 +/-1046m); p26__2 (tier 2, 30.70006,-88.04373 +/-1046m); p48 (tier 2, 30.68584,-88.04327 +/-323m); p56 (tier 2, 30.67780,-88.04606 +/-175m); p64__1 (tier 2, 30.67822,-88.03868 +/-456m); p64__2 (tier 1, 30.67629,-88.04028 +/-284m); p72 (tier 2, 30.66946,-88.04016 +/-100m); p74__1 (tier 2, 30.68273,-88.05076 +/-2389m); p74__2 (tier 1, 30.70346,-88.05031 +/-100m); p74__3 (tier 1, 30.70284,-88.04780 +/-100m); p74__4 (tier 1, 30.66124,-88.05634 +/-100m); p75 (tier 3, 30.67999,-88.02977 +/-441m); p76 (tier 3, 30.67580,-88.03062 +/-441m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p1","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0001","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1452.5,1709.5 130.7,1695.8 105.0,1653.1 113.0,1177.5 -0.0,1179.6 -0.0,-0.0 1650.0,0.0 1650.0,1866.6 1611.2,1844.8 1614.3,1658.8 1462.7,1657.1 1452.5,1709.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[608.0,1721.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0430517,30.6997641]}},{"type":"Feature","properties":{"resourceCoords":[113.0,1178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0444972,30.7003469]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p10","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"20"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0010","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"201.3,1619.0 190.9,186.4 1373.1,179.8 1370.0,1675.8 201.3,1619.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[573.0,1075.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.04849,30.688938]}},{"type":"Feature","properties":{"resourceCoords":[573.0,779.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0487305,30.689451]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p11","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"18"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0011","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"287.5,221.9 1043.0,217.0 1045.2,1154.4 1433.0,1177.7 1429.9,1739.5 284.6,1705.4 287.5,221.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1043.0,795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0455999,30.6905792]}},{"type":"Feature","properties":{"resourceCoords":[1043.0,217.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0460734,30.6915895]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p12","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0012","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"407.0,93.0 1141.5,90.2 1145.8,1936.3 403.2,1888.3 407.0,93.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[402.0,1200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0455999,30.6905792]}},{"type":"Feature","properties":{"resourceCoords":[407.0,93.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0460734,30.6915895]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1283.4,108.3 1305.6,1903.0 437.9,1947.5 336.9,127.8 1283.4,108.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04598438028769,30.692477077934942]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04426511752679,30.69300238751385]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04352617089928,30.69118867382146]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04524543366018,30.690663364242553]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p13a","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013a","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1272.0,97.0 1283.4,1881.0 279.0,1915.8 312.0,97.0 1272.0,97.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1272.0,97.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0436246,30.6931132]}},{"type":"Feature","properties":{"resourceCoords":[312.0,97.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0446073,30.6927879]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013b/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p13b","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013b/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013b","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"315.0,1922.0 286.7,158.0 1406.2,156.8 1520.4,1868.2 315.0,1922.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1454.0,785.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0421683,30.6929429]}},{"type":"Feature","properties":{"resourceCoords":[315.0,1922.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.04291,30.6915466]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013c/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p13c","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013c/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013c","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1650.0,1220.0 1650.0,1356.5 1207.8,1341.8 1142.0,1903.7 374.7,1884.6 341.9,124.8 1650.0,184.4 1650.0,863.4 1267.3,833.1 1222.6,1215.0 1650.0,1220.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013c/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04285256148152,30.693468444632853]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04122519190207,30.694078314555068]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04036728564189,30.69236156162168]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04199465522134,30.691751691699466]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013e/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p13e","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013e/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013e","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1261.0,1897.5 482.0,1892.7 417.4,92.9 1249.6,53.1 1261.0,1897.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013e/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1261.0,831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0436085,30.6904533]}},{"type":"Feature","properties":{"resourceCoords":[1261.0,1898.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0431924,30.6894578]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013f/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p13f","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013f/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013f","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"347.0,101.0 1330.1,59.3 1331.0,2010.0 330.9,1999.9 347.0,101.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013f/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[347.0,902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0436085,30.6904533]}},{"type":"Feature","properties":{"resourceCoords":[347.0,101.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0439244,30.6911756]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013g/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p13g","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013g/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013g","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"411.7,1963.8 230.7,72.2 1281.2,78.2 1257.9,1914.8 411.7,1963.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013g/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04091223904106,30.69250274338848]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04036072909749,30.690949002601073]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04254634854922,30.69036719204998]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.0430978584928,30.691920932837387]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013h/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p13h","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013h/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013h","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"423.2,32.9 867.8,50.7 1399.7,82.2 1489.6,1833.9 1411.7,1895.0 328.0,1925.3 423.2,32.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013h/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[335.0,1033.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0416424,30.6910382]}},{"type":"Feature","properties":{"resourceCoords":[1467.0,85.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0402418,30.6903227]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013i/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p13i","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013i/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013i","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"172.5,0.0 1439.0,0.0 1352.0,426.9 1460.9,427.1 1312.8,997.0 1650.0,1040.5 1650.0,2010.0 1045.5,1963.0 1032.6,2010.0 -0.0,2010.0 172.5,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013i/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[135.0,427.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0409137,30.6922646]}},{"type":"Feature","properties":{"resourceCoords":[1406.0,427.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0392267,30.6928399]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013j/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p13j","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013j/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013j","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1486.0 1481.7,1389.6 1470.2,1544.4 -0.0,1601.5 -0.0,1486.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013j/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04102858996315,30.69180310026191]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.03908227527297,30.692227479781092]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.03848531104504,30.690174222385156]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04043162573521,30.689749842865975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013k/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p13k","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"5"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013k/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013k","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"368.3,2010.0 470.6,1202.9 321.4,1221.9 396.0,161.5 654.8,158.1 671.2,0.0 1650.0,0.0 1650.0,2010.0 368.3,2010.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0013k/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[396.0,1212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0392267,30.6928399]}},{"type":"Feature","properties":{"resourceCoords":[396.0,162.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0394947,30.6937448]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0015","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"145.8,1189.0 152.7,180.6 668.4,186.4 668.2,151.9 693.6,210.9 1430.0,197.3 1423.9,251.8 1584.8,260.9 1546.7,800.0 1585.2,1206.7 1344.3,1768.7 1408.5,1780.6 1450.5,1845.0 1449.2,2010.0 -0.0,2010.0 -0.0,1356.1 145.8,1189.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04364035013492,30.68967497661304]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04028634862992,30.6907637126289]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.03875489031324,30.687225329230532]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04210889181824,30.686136593214673]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p16","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0016","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"337.3,1800.3 389.4,1202.5 230.1,835.3 101.5,321.1 729.7,168.2 718.6,83.5 84.7,256.5 86.6,249.6 711.1,31.1 709.0,0.0 1650.0,0.0 1650.0,1759.5 815.3,1686.1 752.6,1913.2 545.0,1813.2 337.3,1800.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[706.0,736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0388366,30.6895144]}},{"type":"Feature","properties":{"resourceCoords":[373.0,1417.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0395162,30.688185]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0017","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2010.0 0.0,0.0 1650.0,0.0 1650.0,2010.0 0.0,2010.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04473989104423,30.690388287767437]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04197925277197,30.691663529275253]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04018549418797,30.68875105445945]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04294613246023,30.687475812951632]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p18","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0018","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"412.2,340.8 358.8,212.9 284.6,145.1 434.0,153.9 654.8,237.3 698.4,0.0 1650.0,0.0 1650.0,2010.0 792.4,2010.0 759.9,1672.7 221.0,1673.0 192.3,1586.2 75.0,1447.7 -0.0,1442.8 -0.0,518.9 412.2,340.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[221.0,160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0395601,30.6874484]}},{"type":"Feature","properties":{"resourceCoords":[221.0,1673.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.039714,30.68462]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p19","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0019","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1579.1,987.0 1567.0,1611.0 997.2,1596.5 999.3,1516.1 -0.0,1487.1 -0.0,-0.0 1369.5,0.0 1522.2,158.1 1579.1,987.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1013.0,992.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0410262,30.683273]}},{"type":"Feature","properties":{"resourceCoords":[1567.0,1611.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.039973,30.682]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p20","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0020","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"222.0,1644.0 251.9,1038.0 222.0,233.5 762.4,212.6 807.9,549.6 1650.0,517.6 1650.0,2010.0 1189.2,2010.0 1205.1,1560.8 943.2,1551.2 959.6,1672.5 222.0,1644.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[222.0,234.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.039714,30.68462]}},{"type":"Feature","properties":{"resourceCoords":[222.0,1644.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.039973,30.682]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p21","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0021","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1879.4 -0.0,-0.0 1650.0,0.0 1650.0,206.8 1430.0,216.0 1452.7,834.8 1486.5,846.2 1650.0,1203.0 1650.0,1775.3 -0.0,1879.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1487.0,586.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0507347,30.7054737]}},{"type":"Feature","properties":{"resourceCoords":[1487.0,1104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.049863,30.703704]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0022","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"49.6,1796.5 68.7,1278.7 -0.0,1250.4 -0.0,-0.0 1650.0,0.0 1650.0,2010.0 -0.0,2010.0 -0.0,1794.3 49.6,1796.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0022/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05158388113593,30.706655184360795]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04841215812917,30.707947862017924]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04659350441938,30.70460237223047]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04976522742614,30.703309694573342]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p23","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0023","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1609.4,0.0 1580.0,1718.5 800.3,1712.7 793.3,2010.0 -0.0,2010.0 -0.0,-0.0 180.3,0.0 215.7,37.6 236.1,0.0 1609.4,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1596.0,690.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0515343,30.701]}},{"type":"Feature","properties":{"resourceCoords":[839.0,1713.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0521494,30.6986775]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0024__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p24 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3850.0"},{"label":"split_canvas_h","value":"8040.0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0024__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0024","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"168.8,1721.9 924.9,1722.1 924.7,1627.8 962.0,1628.2 962.0,1586.0 924.6,1585.2 921.5,169.0 165.7,171.9 168.8,1721.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0024__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[564.7,1199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.050741,30.7013]}},{"type":"Feature","properties":{"resourceCoords":[921.5,169.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.050892,30.703331]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0024__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p24 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"3840.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2760.0"},{"label":"split_canvas_h","value":"8040.0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0024__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0024","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1234.5,0.0 960.0,-0.0 960.4,302.9 1247.1,298.3 1234.5,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0024__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1415.0,294.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.042609,30.673445]}},{"type":"Feature","properties":{"resourceCoords":[986.0,1725.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.044,30.670943]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p27","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0027","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1766.0 -0.0,318.1 659.0,965.4 1216.1,398.1 1471.7,661.2 1483.5,1773.5 -0.0,1766.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1098.0,1273.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.052925,30.6967]}},{"type":"Feature","properties":{"resourceCoords":[1484.0,1774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0525521,30.6955651]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p28","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0028","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"873.6,1548.8 864.7,1771.5 489.0,1763.0 477.8,1158.3 18.1,683.8 513.5,188.1 866.0,660.9 1529.7,0.0 1650.0,0.0 1650.0,2010.0 1324.3,2010.0 873.6,1548.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0028/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05170973484456,30.699854533373433]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04836147666288,30.698705750597988]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04998904893885,30.695198709971358]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05333730712054,30.696347492746803]}},{"type":"Feature","properties":{"resourceCoords":[489.0,1763.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.052145,30.696438]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p29","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0029","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1240.2 -0.0,1197.2 -0.0,1171.6 155.3,103.3 932.6,0.0 1650.0,0.0 1650.0,674.2 1650.0,1147.4 1650.0,1217.4 1418.2,1642.7 729.5,1653.7 -0.0,1240.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[579.0,1163.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0494191,30.6986265]}},{"type":"Feature","properties":{"resourceCoords":[1470.0,611.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0481217,30.7001664]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0003","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1430.1,1836.3 335.9,1836.3 353.0,602.8 847.0,603.0 853.4,0.0 1177.5,0.0 1650.0,646.2 1650.0,870.9 1606.0,811.0 1618.2,1010.1 1577.3,1096.3 1433.2,1200.6 1430.1,1836.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[847.0,603.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0447981,30.6980841]}},{"type":"Feature","properties":{"resourceCoords":[345.0,1198.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.045301,30.6966904]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0030","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1689.8 72.0,88.5 152.0,0.0 1650.0,0.0 1650.0,121.8 1524.2,119.4 1509.2,1150.0 1618.9,1278.9 1604.5,1734.8 1455.0,1871.7 1019.5,2010.0 866.7,2010.0 -0.0,1689.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04888127897155,30.701345997483894]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04555794438974,30.702601035160534]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04379234406028,30.699095432775906]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04711567864209,30.697840395099266]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p31","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0031","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"206.3,0.0 1650.0,0.0 1650.0,543.6 1565.8,543.8 1567.1,1484.5 1193.9,1867.6 -0.0,1630.7 206.3,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0031/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05787778244755,30.694291424116436]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05654887157941,30.697131970355592]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05255296103144,30.69573010538048]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05388187189958,30.692889559141324]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p32","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0032","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"324.2,191.9 500.4,0.0 1076.7,0.0 1650.0,520.1 1650.0,1144.0 1117.2,1175.2 1203.4,1251.9 1227.2,1680.8 9.3,1735.4 -0.0,-0.0 201.2,0.0 153.2,54.8 324.2,191.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[632.0,1181.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0558839,30.6929215]}},{"type":"Feature","properties":{"resourceCoords":[1018.0,1181.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.055076,30.6931648]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p33","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0033","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"455.8,1137.5 469.0,899.7 601.0,809.1 600.0,628.6 529.6,549.1 984.3,546.4 974.5,21.6 1363.4,405.1 1360.0,1765.0 599.0,1765.0 598.0,2010.0 -0.0,2010.0 -0.0,1141.8 455.8,1137.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[599.0,1765.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.052962,30.692637]}},{"type":"Feature","properties":{"resourceCoords":[1360.0,1765.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.051416,30.693187]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p34","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0034","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"176.2,1787.4 187.2,412.2 542.5,56.1 806.9,328.4 971.1,176.0 969.9,492.3 968.7,824.0 1093.8,947.1 1109.0,1052.3 1078.7,1129.7 1376.9,1134.1 1366.8,1795.0 176.2,1787.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0034/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05327202116979,30.696139031693388]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04998811051271,30.69734249989153]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04829515117079,30.69387829436884]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05157906182787,30.6926748261707]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p35","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0035","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"321.0,1845.0 331.4,1179.4 32.5,1176.3 62.9,1098.2 47.9,992.4 157.3,1100.3 1158.3,84.4 1161.8,599.6 1476.5,601.4 1478.0,1845.0 1389.4,1845.2 1386.0,2010.0 1098.2,2010.0 1099.8,1845.8 697.4,1845.2 693.5,2001.5 587.2,1845.6 321.0,1845.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[321.0,1845.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0490399,30.6940424]}},{"type":"Feature","properties":{"resourceCoords":[1478.0,1845.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0467379,30.6948754]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p36","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0036","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1308.2,624.1 1285.1,1863.1 306.0,1854.1 312.9,617.7 -0.0,613.8 -0.0,101.7 101.5,0.0 1650.0,0.0 1650.0,625.9 1308.2,624.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[827.0,621.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0467533,30.6973747]}},{"type":"Feature","properties":{"resourceCoords":[311.0,1212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0472773,30.6959809]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p37","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"21"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0037","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1216.2,0.0 1220.0,351.6 1435.0,349.4 1443.0,1461.0 1193.1,1465.9 1193.8,1555.0 1143.2,1555.5 1143.9,1710.6 1058.8,1713.2 1059.0,1792.9 253.8,1803.6 255.5,2010.0 -0.0,2010.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0037/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[670.0,979.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.054587,30.6902718]}},{"type":"Feature","properties":{"resourceCoords":[1443.0,1461.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0525942,30.6899668]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p38","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0038","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"252.7,1448.4 252.6,324.6 633.0,323.3 633.3,78.3 1394.2,75.8 1400.9,1779.3 247.2,1782.6 251.2,1541.0 -0.0,1541.6 -0.0,1451.5 252.7,1448.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0038/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1015.0,944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0514636,30.691396]}},{"type":"Feature","properties":{"resourceCoords":[253.0,479.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0534017,30.6916633]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p39","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0039","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1445.5,1788.0 277.8,1783.8 277.3,81.0 1448.2,76.3 1445.5,1788.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[657.0,1443.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.049498,30.691081]}},{"type":"Feature","properties":{"resourceCoords":[277.0,947.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0506878,30.691673]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0004","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1489.7,52.0 1499.0,0.0 1650.0,0.0 1650.0,184.4 1447.0,279.2 1279.9,1169.3 902.2,1772.0 809.6,1811.2 184.0,1819.1 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04442190755583,30.699438306851523]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04108383344203,30.700593647383734]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.03945852159156,30.697072424552157]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04279659570535,30.695917084019946]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p40","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0040","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"234.1,90.9 494.7,90.9 599.1,243.3 602.6,90.2 996.7,90.0 995.4,250.8 1277.2,250.1 1264.6,500.8 1363.3,505.1 1357.5,1805.5 225.4,1799.0 234.1,90.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0040/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[597.0,957.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0475651,30.692793]}},{"type":"Feature","properties":{"resourceCoords":[597.0,1797.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0468507,30.6913238]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p41","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0041","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1964.4 -0.0,267.4 247.8,274.9 251.2,66.5 1068.2,80.5 1070.0,0.0 1156.4,0.0 1154.7,82.8 1290.9,86.6 1452.4,226.3 1437.0,1442.3 1650.0,1458.8 1650.0,2010.0 1596.0,2010.0 1617.0,1774.5 1028.0,1721.8 1022.0,2010.0 645.5,2010.0 652.0,1688.2 201.4,1647.9 194.6,1979.0 -0.0,1964.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0041/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05532634137882,30.688438302471525]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05201349758124,30.689683608330288]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05026182333737,30.686188602757262]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05357466713494,30.6849432968985]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p42","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0042","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"425.1,2010.0 197.5,1897.6 138.9,2010.0 -0.0,2010.0 32.2,338.2 230.2,335.4 207.2,0.0 666.5,0.0 689.0,325.9 1062.4,292.6 1049.7,0.0 1650.0,0.0 1650.0,858.2 1215.1,865.2 1232.9,1124.0 1420.0,1216.6 1122.3,1828.7 810.0,1666.3 638.2,2010.0 425.1,2010.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0042/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.0539099032486,30.685603022846617]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05053328758665,30.686573243379218]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04916859695845,30.683010848079235]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.0525452126204,30.682040627546634]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0043/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p43","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0043/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0043","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1454.0 -0.0,1196.5 516.2,50.3 1463.6,100.4 1468.5,1271.4 293.3,1624.3 -0.0,1454.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0043/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05182102521262,30.68686648324897]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04850525218079,30.68804310955984]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04685021148495,30.684544955759552]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05016598451678,30.683368329448683]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p44","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0044","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1725.2 -0.0,1043.0 133.2,1043.2 -0.0,804.8 -0.0,644.9 984.7,143.6 1508.5,1049.3 1104.3,1046.2 1393.8,1514.2 110.0,1516.7 109.2,1728.1 -0.0,1725.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0044/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04988214185919,30.686208179062916]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04636342001682,30.685802815182157]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04693359507583,30.6820904901301]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.0504523169182,30.68249585401086]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p45","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0045","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"279.1,1126.8 278.9,1126.6 272.0,111.9 1379.6,166.1 1300.8,1680.6 1063.0,1683.2 1063.0,2010.0 286.4,2008.4 279.1,1126.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0045/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[650.0,1306.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0470692,30.6859356]}},{"type":"Feature","properties":{"resourceCoords":[650.0,129.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0480237,30.6879695]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p46","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0046","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"386.1,2010.0 110.1,1847.8 411.9,1334.8 -0.0,1091.5 -0.0,441.1 347.9,645.8 349.6,316.6 1129.8,326.7 1131.0,0.0 1370.8,0.0 1343.7,465.9 1650.0,485.0 1650.0,1878.8 1614.5,1943.7 1142.3,1665.7 1098.2,1740.3 824.1,1578.4 562.0,2010.0 386.1,2010.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0046/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04818683633084,30.68476517598058]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04490162418196,30.685941152300728]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04324752858979,30.682475175759087]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04653274073867,30.68129919943894]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0047/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p47","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0047/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0047","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2010.0 -0.0,51.1 1617.3,23.0 1635.3,1026.8 1495.1,1197.3 1497.6,1298.1 1497.6,1298.1 1511.2,1848.1 1650.0,1844.0 1650.0,2010.0 -0.0,2010.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0047/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1246.0,668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.043502,30.688079]}},{"type":"Feature","properties":{"resourceCoords":[100.0,668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0458804,30.6873747]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p49","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"17"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0049","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"173.3,210.3 174.2,0.0 1442.2,0.0 1525.3,135.5 1525.6,493.2 1375.6,492.9 1368.6,1265.8 1520.5,1266.9 1520.9,1844.6 -0.0,1831.8 -0.0,210.4 173.3,210.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0049/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[626.0,1260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.049461,30.680929]}},{"type":"Feature","properties":{"resourceCoords":[1525.0,96.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0471879,30.6828706]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p5","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"4"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0005","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"88.9,1175.4 194.6,1179.4 260.9,1131.0 266.5,1048.5 251.9,748.6 115.2,74.2 148.3,0.0 241.7,0.0 401.3,841.1 389.6,1054.0 825.8,773.4 1386.8,0.0 1650.0,0.0 1650.0,2010.0 187.2,2010.0 283.7,1761.2 152.1,1694.5 242.3,1256.2 88.9,1175.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[384.0,674.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.041664,30.6978281]}},{"type":"Feature","properties":{"resourceCoords":[114.0,1859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0402434,30.6960328]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p50","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0050","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"283.5,1654.3 156.8,1653.9 152.8,1243.6 -0.0,1243.8 -0.0,466.4 150.9,465.3 146.7,65.7 575.8,66.8 576.6,663.0 1044.7,663.0 1052.1,68.0 1497.8,69.0 1508.0,1241.8 1367.9,1242.0 1383.3,2010.0 282.5,2010.0 283.5,1654.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0050/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[153.0,663.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0473551,30.6817676]}},{"type":"Feature","properties":{"resourceCoords":[1506.0,663.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0444541,30.6814154]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p51","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0051","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"128.3,86.7 -0.0,86.5 -0.0,-0.0 1559.2,0.0 1564.2,2010.0 16.0,2010.0 -0.0,1254.6 139.4,1254.2 128.3,86.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0051/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[137.0,678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0444541,30.6814154]}},{"type":"Feature","properties":{"resourceCoords":[1563.0,1824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.041734,30.678918]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p52","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0052/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0052","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"148.4,106.0 1416.9,115.7 1397.0,0.0 1650.0,0.0 1650.0,2010.0 112.8,2010.0 148.4,106.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0052/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04151032877806,30.682386252701583]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.03783436725286,30.681999241781998]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.03837870574868,30.678120870757027]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04205466727389,30.678507881676612]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p53","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0053/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0053","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1051.7,214.3 1335.7,225.0 1347.7,1840.9 604.7,1844.5 606.9,2010.0 -0.0,2010.0 -0.0,-0.0 68.5,0.0 482.2,877.3 606.0,816.0 608.5,690.2 860.6,689.9 1050.2,596.0 1051.7,214.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0053/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05331691855092,30.68379999495653]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04977021920962,30.68336849138132]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05037714654696,30.67962655586137]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05392384588826,30.68005805943658]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0054/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p54","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0054/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0054","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,287.0 604.5,298.8 605.5,132.1 1341.3,142.9 1314.5,1262.0 1496.8,1265.1 1489.8,1692.8 -0.0,1683.3 -0.0,287.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0054/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05383570921744,30.680588289968195]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05030481374015,30.6802193303325]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05082375338107,30.676493945878995]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05435464885835,30.676862905514692]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p55","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0055/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0055","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1650.0,1790.5 183.6,1800.2 179.6,1284.0 -0.0,1284.8 -0.0,174.3 1526.7,169.1 1524.7,0.0 1650.0,0.0 1650.0,1790.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0055/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[641.0,1283.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.04996,30.677787]}},{"type":"Feature","properties":{"resourceCoords":[175.0,173.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.050623,30.679979]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p57","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0057","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2010.0 -0.0,340.1 1527.5,352.8 1525.0,1794.7 1095.2,1794.0 1091.0,2010.0 -0.0,2010.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0057/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1528.0,1274.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.042056,30.676842]}},{"type":"Feature","properties":{"resourceCoords":[1079.0,167.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.042714,30.679035]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p58","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0058","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.6,1613.4 121.0,397.5 1650.0,376.3 1650.0,2010.0 1548.5,2010.0 1538.4,1580.3 122.6,1613.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0058/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[694.0,1265.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.040802,30.67669]}},{"type":"Feature","properties":{"resourceCoords":[121.0,167.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.041734,30.678918]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p59","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0059/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0059","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1531.7,0.0 1530.8,91.8 1650.0,92.5 1650.0,1163.0 1372.0,1161.2 1365.8,1617.6 1059.0,1608.8 1058.8,1748.0 613.0,1740.5 613.2,1595.9 20.6,1578.8 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0059/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.054389447516,30.67748141592913]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.0508292507032,30.677089631914228]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05138027511317,30.673333212229256]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05494047192597,30.673724996244157]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0006","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1085.5 533.2,131.0 657.6,0.0 815.7,0.0 842.6,256.8 1350.6,0.0 1650.0,0.0 1650.0,2010.0 1171.7,2010.0 1229.4,1425.0 758.5,1377.0 743.2,1451.8 582.1,1659.2 -0.0,1674.3 -0.0,1085.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04178922324775,30.69585698827157]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.03847792786246,30.696901523331046]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.03700855209544,30.693408413036686]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04031984748073,30.692363877977208]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p60","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0060","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1490.0,1744.1 209.7,1740.9 244.9,1617.1 -0.0,1612.8 -0.0,1158.7 274.8,1157.2 260.4,92.0 1489.7,89.0 1488.3,1151.3 1305.7,1152.1 1305.7,1209.2 1488.0,1208.5 1490.0,1744.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0060/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1042.0,627.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.049315,30.675709]}},{"type":"Feature","properties":{"resourceCoords":[596.0,92.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.050124,30.676829]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p61","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0061","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"619.1,1756.7 188.8,1759.5 187.4,1212.4 -0.0,1213.3 -0.0,1155.0 187.8,1154.0 190.8,69.0 304.2,68.8 304.6,0.0 1432.5,0.0 1434.0,308.2 1650.0,306.8 1650.0,2010.0 619.6,2010.0 619.1,1756.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0061/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04855792390212,30.676775581238424]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04506063460876,30.67635304621599]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04565490417697,30.672662972810727]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04915219347033,30.67308550783316]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p62","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0062/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0062","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1087.5,91.0 1321.9,87.7 1356.7,1093.8 1083.3,1092.2 1087.2,2010.0 205.4,2005.0 190.2,323.4 1086.3,309.3 1087.5,91.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0062/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04545601990326,30.676442902239785]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04191855287424,30.675987211030176]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04255945202176,30.672254730214313]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04609691905078,30.672710421423922]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p63","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0063","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"205.3,0.0 1650.0,0.0 1650.0,1511.5 -0.0,1485.7 -0.0,164.3 201.6,168.7 205.3,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0063/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.0426099,30.6762209]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.0390369,30.6758744]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.0395277,30.6721308]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.0431007,30.6724773]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0065/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p65","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0065/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0065","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1968.6 -0.0,-0.0 600.6,0.0 604.6,146.5 1056.4,141.0 1052.5,0.0 1614.5,0.0 1293.5,1194.8 1536.1,1190.6 1544.1,1784.2 132.7,1816.3 136.3,1966.6 -0.0,1968.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0065/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05477789203835,30.67452606395098]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05127809815166,30.67405161951432]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05194535943073,30.67035881660366]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05544515331742,30.670833261040322]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0066/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p66","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0066/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0066","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1037.9,2010.0 114.2,2010.0 122.8,1179.4 -0.0,1178.3 -0.0,766.4 193.9,104.7 1512.5,120.8 1507.5,655.2 1650.0,657.2 1650.0,1192.5 1333.0,1192.0 1325.1,1789.0 1039.4,1787.1 1037.9,2010.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0066/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1043.0,1189.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0499675,30.6716613]}},{"type":"Feature","properties":{"resourceCoords":[595.0,111.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0506198,30.6737325]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p67","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0067/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0067","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"150.1,1498.3 -0.0,1499.0 -0.0,-0.0 26.5,0.0 20.8,292.1 153.4,293.1 152.8,145.8 1382.8,144.4 1394.5,2010.0 148.4,2010.0 150.1,1498.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0067/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[152.0,724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0552724,30.6700637]}},{"type":"Feature","properties":{"resourceCoords":[1525.0,724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.05227,30.669714]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p68","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0068/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0068","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,111.5 146.8,112.0 144.8,338.1 1058.6,337.3 1060.3,118.2 1515.8,121.0 1511.8,711.1 1650.0,765.7 1650.0,2010.0 -0.0,2010.0 -0.0,111.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0068/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05237816094741,30.671047125297797]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04884390721983,30.670649120617657]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04940364316256,30.66691982393682]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05293789689014,30.66731782861696]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p69","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0069/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0069","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"312.1,638.0 168.6,637.9 166.6,99.9 600.5,95.8 602.1,352.9 1650.0,349.9 1650.0,1901.2 1530.5,2010.0 177.6,2010.0 175.9,1780.5 -0.0,1781.6 -0.0,1180.5 319.1,1176.8 312.1,638.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0069/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[604.0,638.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.047921,30.672411]}},{"type":"Feature","properties":{"resourceCoords":[170.0,1180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0489964,30.6715439]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p7","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0007","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"104.7,1479.7 91.4,516.1 -0.0,513.9 -0.0,98.0 1580.8,67.2 1632.5,1503.0 104.7,1479.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1065.0,981.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0440368,30.6940069]}},{"type":"Feature","properties":{"resourceCoords":[1065.0,543.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0443902,30.6947725]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p70","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0070","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"116.0,392.8 1080.8,399.8 1077.5,1420.3 255.4,1442.3 251.1,804.9 116.0,752.0 116.0,392.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0070/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[116.0,752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.049338,30.669363]}},{"type":"Feature","properties":{"resourceCoords":[116.0,173.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.049165,30.670457]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0071/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p71","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0071/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0071","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"231.8,307.9 669.9,312.4 671.1,0.0 1650.0,0.0 1650.0,2010.0 -0.0,2010.0 -0.0,1120.4 163.6,1121.0 228.7,1056.1 231.8,307.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0071/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[395.0,445.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.045021,30.672063]}},{"type":"Feature","properties":{"resourceCoords":[672.0,1601.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0445251,30.6676676]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0073/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p73","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0073/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0073","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 279.3,0.0 276.8,262.6 1650.0,268.3 1650.0,2010.0 -0.0,2010.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0073/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05668859483622,30.668740936198002]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04970091865718,30.667954317985238]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.050807134411,30.660580691138634]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05779481059004,30.661367309351398]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0074__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p74 [5]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"3886.8"},{"label":"split_canvas_y","value":"4741.6"},{"label":"split_canvas_w","value":"1490.8"},{"label":"split_canvas_h","value":"1320.0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0074__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0074","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1333.2,1185.4 1326.7,1266.8 1035.5,1271.1 1041.8,1515.2 1344.4,1514.0 1338.0,1266.7 1335.9,1185.4 1333.2,1185.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0074__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1303.4,1482.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.048714,30.701357]}},{"type":"Feature","properties":{"resourceCoords":[1036.7,1318.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.050022,30.701557]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0077__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p77 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6600.0"},{"label":"split_canvas_h","value":"8040.0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0077__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0077","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1753.5 -0.0,2010.0 1650.0,2010.0 1650.0,1813.4 1119.8,1370.3 1650.0,854.6 1650.0,344.4 729.1,316.7 738.6,0.0 373.0,0.0 367.8,259.2 277.8,257.3 247.8,1758.9 -0.0,1753.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0077__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[694.0,319.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0478162,30.6665135]}},{"type":"Feature","properties":{"resourceCoords":[694.0,199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0477513,30.6670266]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0077__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p77 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4479.2"},{"label":"split_canvas_y","value":"3418.4"},{"label":"split_canvas_w","value":"2120.8"},{"label":"split_canvas_h","value":"3835.2"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0077__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0077","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1650.0,1434.5 1650.0,854.6 1119.8,1370.3 1650.0,1813.4 1650.0,1434.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0077__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1119.8,854.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05178352696177,30.665156026300078]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,854.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05065744844086,30.664916054347184]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,1813.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05116149984272,30.66316740590319]}},{"type":"Feature","properties":{"resourceCoords":[1119.8,1813.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05228757836363,30.663407377856085]}},{"type":"Feature","properties":{"resourceCoords":[1158.8,1404.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.051989,30.664135]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0008","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"34.5,57.9 1222.8,59.3 1386.6,69.6 1512.5,636.8 1522.2,1017.8 1333.9,2010.0 500.1,2010.0 62.6,1481.2 34.5,57.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.0438446523771,30.696038305970006]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04050514066635,30.697249903324714]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.03880074749951,30.69372704052799]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04214025921026,30.69251544317328]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mobile, Alabama | 1955 | sanborn00071_009 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T15:55:48Z","modified":"2026-09-21T15:55:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0009","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1455.0,1645.2 308.4,1583.6 298.9,374.6 135.5,239.0 -0.0,238.0 -0.0,-0.0 301.6,0.0 298.3,239.8 1449.4,239.6 1455.0,1645.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974mm:g3974mm_g00071195501:00071_01_1955-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.0531344972725,30.68958565526192]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04977337474409,30.690778681218163]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.04809521884695,30.68723278385767]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.05145634137536,30.686039757901426]}}]}}]}