{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00264_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Heber Springs, Arkansas | 1918 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"18"},{"label":"placed","value":"12"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 7, georef-snap 5"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 16 panels"},{"label":"unplaced pages","value":"p1__3 (tier 1, 35.49038,-92.03945 +/-100m); p2__1 (tier 1, 35.48604,-92.03346 +/-111m); p6__2 (tier 1, 35.48843,-92.03234 +/-100m); p6__4 (tier 1, 35.49232,-92.03280 +/-124m); p7__1 (tier 3, 35.48407,-92.03782 +/-559m); p7__3 (tier 1, 35.48388,-92.03833 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Heber Springs, Arkansas | 1918 | sanborn00264_002 p1 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.81"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3588.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4064.0"}],"created":"2026-10-19T23:25:45Z","modified":"2026-10-19T23:25:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1598.1,1106.6 1575.3,1105.7 1575.0,932.0 560.2,936.7 42.9,936.8 43.3,1015.0 13.9,1015.9 25.9,1039.5 43.3,1879.1 1065.8,1909.5 1073.5,1674.5 1073.5,1538.7 1077.9,1538.7 1078.0,1536.3 1526.0,1535.8 1570.8,1490.9 1598.1,1106.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[558.0,1449.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0388048,35.4910149]}},{"type":"Feature","properties":{"resourceCoords":[1575.0,932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0377532,35.4889455]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Heber Springs, Arkansas | 1918 | sanborn00264_002 p2 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.98"},{"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":"2026-10-19T23:25:45Z","modified":"2026-10-19T23:25:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1536.0,83.4 987.0,80.0 310.6,85.6 62.2,85.5 60.1,85.4 64.5,623.7 38.7,623.7 64.1,1224.1 434.6,1230.5 586.0,1230.5 776.0,1230.5 776.0,1233.9 777.2,1427.4 810.2,1492.4 848.2,1492.9 849.5,1570.1 954.4,1777.2 985.7,1776.4 985.5,1692.9 1536.9,1694.3 1539.0,1403.0 1538.9,623.4 1536.0,83.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[987.0,1159.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0362728,35.491868]}},{"type":"Feature","properties":{"resourceCoords":[987.0,80.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0338391,35.4917186]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Heber Springs, Arkansas | 1918 | sanborn00264_002 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:25:45Z","modified":"2026-10-19T23:25:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"986.5,1743.6 311.3,1745.9 92.4,1744.7 65.3,1211.5 77.3,1211.6 78.9,669.9 63.2,669.8 71.8,141.4 368.1,139.1 738.1,142.4 994.3,141.0 1273.0,145.8 1544.2,145.3 1536.8,632.5 1534.4,1749.6 986.5,1743.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[371.0,674.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0313233,35.4927126]}},{"type":"Feature","properties":{"resourceCoords":[1536.0,1211.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0327228,35.4906381]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Heber Springs, Arkansas | 1918 | sanborn00264_002 p4 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:25:45Z","modified":"2026-10-19T23:25:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1604.5,835.9 1596.0,835.8 1573.5,125.2 1510.0,49.9 1137.6,26.1 1074.1,52.5 1060.4,574.2 1060.4,620.6 1060.4,781.3 1060.4,781.3 1054.8,787.8 663.4,801.6 224.6,787.0 222.6,803.0 144.9,803.1 114.9,1353.7 124.2,1353.7 148.2,1881.2 432.2,1878.3 799.0,1880.9 1052.9,1879.0 1329.2,1883.2 1598.0,1882.2 1602.3,1354.5 1604.5,835.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1049.0,1349.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.02900866127382,35.49143226546583]}},{"type":"Feature","properties":{"resourceCoords":[1584.0,204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0264864568581,35.490285017392736]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Heber Springs, Arkansas | 1918 | sanborn00264_002 p4 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.78"},{"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":"4241.6"},{"label":"split_canvas_h","value":"3125.2"}],"created":"2026-10-19T23:25:45Z","modified":"2026-10-19T23:25:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"100.6,780.3 100.5,777.9 1017.9,754.0 1022.8,36.0 529.8,37.0 28.0,36.0 27.7,543.4 34.1,780.3 78.0,780.3 100.6,780.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[28.0,36.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0303152,35.4904849]}},{"type":"Feature","properties":{"resourceCoords":[1047.4,36.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0278717,35.4903282]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Heber Springs, Arkansas | 1918 | sanborn00264_002 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:25:45Z","modified":"2026-10-19T23:25:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1079.0,1729.2 11.1,1728.5 13.9,1441.0 15.7,671.3 14.2,138.2 284.8,136.5 546.5,137.6 1074.8,135.2 1075.3,84.6 1525.6,94.6 1566.4,156.8 1611.9,581.3 1588.0,1844.6 1533.4,1892.1 1104.8,1879.8 1102.3,1912.0 1078.3,1912.0 1079.0,1729.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[554.0,664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.03523156236693,35.48977776008874]}},{"type":"Feature","properties":{"resourceCoords":[1068.0,1742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.03778060332404,35.48896761625872]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Heber Springs, Arkansas | 1918 | sanborn00264_002 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4421.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:25:45Z","modified":"2026-10-19T23:25:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"812.0,134.6 811.9,204.9 561.0,211.5 23.6,210.6 19.7,696.8 25.3,1811.4 298.4,1808.4 562.5,1808.3 1095.8,1803.3 1096.0,1752.3 1088.8,1752.2 1067.5,253.7 1006.5,126.8 813.3,134.6 812.0,134.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[568.2,204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.03039600620637,35.48948026611852]}},{"type":"Feature","properties":{"resourceCoords":[568.2,1823.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.03406173320123,35.48971194779093]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0006__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Heber Springs, Arkansas | 1918 | sanborn00264_002 p6 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.08"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4421.6"},{"label":"split_canvas_y","value":"2032.0"},{"label":"split_canvas_w","value":"2030.4"},{"label":"split_canvas_h","value":"1106.0"}],"created":"2026-10-19T23:25:45Z","modified":"2026-10-19T23:25:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0006__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,784.5 1613.0,510.7 1105.4,508.0 1105.4,784.5 1613.0,784.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0006__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1105.4,508.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.03318739727698,35.489658901798364]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,508.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.0333319301343,35.48860810974114]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,784.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.03403069592844,35.48867273225466]}},{"type":"Feature","properties":{"resourceCoords":[1105.4,784.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.03388616307112,35.489723524311884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Heber Springs, Arkansas | 1918 | sanborn00264_002 p7 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:25:45Z","modified":"2026-10-19T23:25:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1162.3,15.3 238.7,40.1 395.3,677.1 390.0,678.0 391.6,684.6 355.9,684.3 64.6,738.0 36.2,1337.7 409.4,1364.0 435.5,1364.0 435.9,1365.9 439.1,1366.1 615.5,1877.7 1574.8,1843.0 1567.4,72.7 1162.3,15.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1050.0,1092.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.03819,35.4836502]}},{"type":"Feature","properties":{"resourceCoords":[539.0,25.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0356781,35.4844496]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Heber Springs, Arkansas | 1918 | sanborn00264_002 p8 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.66"},{"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":"1884.0"},{"label":"split_canvas_h","value":"3368.4"}],"created":"2026-10-19T23:25:45Z","modified":"2026-10-19T23:25:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"437.9,825.0 457.9,27.8 76.0,16.9 26.1,64.3 15.8,681.7 37.3,811.5 437.9,825.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[60.0,559.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.04341666999834,35.49030116689767]}},{"type":"Feature","properties":{"resourceCoords":[60.0,296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.04225100082311,35.49025369312237]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Heber Springs, Arkansas | 1918 | sanborn00264_002 p8 [2]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"27"},{"label":"confidence","value":"0.90"},{"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":"2026-10-19T23:25:45Z","modified":"2026-10-19T23:25:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1066.2,15.7 864.6,30.9 823.0,360.7 776.4,360.9 499.4,384.9 471.0,803.5 471.0,838.0 468.6,838.0 468.5,840.8 65.8,842.1 35.7,1501.1 70.7,1821.3 97.2,1829.3 97.4,1840.6 143.6,1873.9 308.1,1890.5 1292.1,1899.8 1558.3,1868.8 1559.7,1901.4 1572.4,1901.4 1570.2,1635.5 1571.3,1635.5 1585.7,1635.5 1571.0,1371.8 1576.9,1371.8 1576.4,1103.8 1568.6,1103.8 1571.6,842.3 1576.5,842.2 1563.7,578.9 1559.0,579.0 1573.2,304.1 1612.0,303.9 1612.0,295.9 1592.0,295.3 1585.6,161.6 1560.3,163.4 1522.4,93.8 1424.2,90.2 1410.4,51.4 1422.2,50.5 1422.5,34.1 1066.1,23.2 1066.2,15.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[873.0,837.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0298071,35.49579]}},{"type":"Feature","properties":{"resourceCoords":[1081.0,1827.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0343996,35.4952942]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0008__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Heber Springs, Arkansas | 1918 | sanborn00264_002 p8 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.31"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1884.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1408.0"},{"label":"split_canvas_h","value":"1450.4"}],"created":"2026-10-19T23:25:45Z","modified":"2026-10-19T23:25:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0008__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"471.0,332.6 806.8,337.8 806.8,353.2 816.0,352.4 809.2,18.0 800.8,10.0 743.3,1.0 739.3,1.0 718.6,33.1 675.2,6.2 605.1,26.2 479.9,3.4 478.2,324.8 471.0,325.5 471.0,328.1 471.0,332.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002641918:00264_1918-0008__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[535.0,18.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0246604,35.4944794]}},{"type":"Feature","properties":{"resourceCoords":[801.0,18.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0247769,35.4934307]}}]}}]}