{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04470_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hernando, Mississippi | 1936 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"7"},{"label":"placed","value":"4"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef-snap 2, georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 34.82291,-89.99273 +/-326m); p1__2 (tier 4, 34.82291,-89.99273 +/-326m); p3__3 (tier 2, 34.82330,-89.99386 +/-354m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hernando, Mississippi | 1936 | sanborn04470_007 p1 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3185.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4466.4"}],"created":"2026-10-18T07:49:32Z","modified":"2026-10-18T07:49:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1117.6,1903.5 1118.2,1912.0 1444.7,1912.0 1483.0,1911.5 1557.9,1874.8 1534.7,987.4 1438.2,923.3 789.4,922.2 677.2,951.2 610.4,920.9 610.8,865.0 465.7,815.4 104.0,820.2 95.0,807.0 95.8,1031.7 96.7,1483.7 85.1,1483.8 87.5,1773.8 79.0,1773.8 129.3,1912.0 140.7,1912.0 140.8,1886.7 454.6,1903.1 454.4,1881.6 685.5,1770.2 702.3,1769.1 1117.6,1903.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[306.0,1036.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.99214568452648,34.825182084868274]}},{"type":"Feature","properties":{"resourceCoords":[95.0,1036.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.99307546815581,34.8251763949922]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hernando, Mississippi | 1936 | sanborn04470_007 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:49:32Z","modified":"2026-10-18T07:49:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"515.7,213.3 516.1,286.3 798.8,279.1 798.7,293.1 1548.0,322.8 1545.0,671.4 1522.3,671.4 1520.9,1238.2 1504.4,1238.0 1612.0,1543.6 1612.0,1707.9 1241.9,1701.2 1061.0,1700.6 974.4,1706.1 413.8,1708.7 51.5,1261.1 59.7,657.8 447.5,210.8 515.7,213.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[515.0,214.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.99539456493267,34.824369762098705]}},{"type":"Feature","properties":{"resourceCoords":[1543.0,661.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.99305824179692,34.82357659189417]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hernando, Mississippi | 1936 | sanborn04470_007 p3 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.87"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T07:49:32Z","modified":"2026-10-18T07:49:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1539.0,136.0 1523.0,78.8 1461.0,30.0 386.2,22.5 94.5,88.4 71.9,124.9 71.7,669.7 29.7,779.5 50.1,1162.7 271.0,1165.8 295.2,1272.8 270.7,1449.2 269.5,1449.3 269.5,1450.5 252.3,1450.5 226.5,1452.3 222.3,1489.0 89.8,1487.2 81.1,1847.8 356.7,1884.8 872.5,1851.5 1339.6,1883.7 1535.3,1842.2 1572.6,1809.7 1576.9,1258.2 1572.6,1253.0 1572.9,1327.7 1385.4,1325.1 1294.0,1325.2 1250.3,1328.1 967.0,1330.6 783.1,1105.2 786.0,800.4 981.0,573.8 1015.4,574.9 1015.8,611.8 1158.6,607.6 1158.5,614.6 1537.2,628.0 1538.4,357.9 1539.0,136.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1539.0,136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.993083,34.826006]}},{"type":"Feature","properties":{"resourceCoords":[1011.0,1539.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.995353,34.820838]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hernando, Mississippi | 1936 | sanborn04470_007 p3 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.41"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3834.0"},{"label":"split_canvas_y","value":"2666.0"},{"label":"split_canvas_w","value":"2618.0"},{"label":"split_canvas_h","value":"2346.0"}],"created":"2026-10-18T07:49:32Z","modified":"2026-10-18T07:49:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"964.1,824.6 963.9,839.8 981.5,841.0 984.5,1158.6 1016.0,1214.2 1121.7,1213.1 1160.9,1250.6 1245.7,1212.5 1362.2,1222.7 1365.2,1248.3 1609.5,1250.8 1565.9,1242.4 1594.1,1133.6 1586.2,863.3 1612.0,863.4 1612.0,851.3 1208.4,712.8 1192.0,713.6 964.2,818.7 964.1,823.5 964.1,823.7 964.1,824.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984hm:g3984hm_g044701936:04470_1936-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[958.5,666.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.99150634650812,34.822689311481994]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,666.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.98855711677643,34.82274930317728]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1253.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.9884915569619,34.820581820554125]}},{"type":"Feature","properties":{"resourceCoords":[958.5,1253.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.99144078669359,34.82052182885884]}},{"type":"Feature","properties":{"resourceCoords":[1215.3,1151.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.990295,34.820922]}}]}}]}