{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04659_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Flat River, Missouri | 1927 | 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":"49"},{"label":"placed","value":"13"},{"label":"unplaced","value":"36"},{"label":"fit sources","value":"georef 8, georef-snap 5"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"12 sheet(s) cut into 34 panels"},{"label":"unplaced pages","value":"p10__1 (tier 1, 37.85216,-90.52430 +/-174m); p10__2 (tier 1, 37.85500,-90.51831 +/-187m); p12 (tier 1, 37.85306,-90.52020 +/-258m); p13 (tier 1, 37.85147,-90.51828 +/-259m); p14__1 (tier 1, 37.85487,-90.51837 +/-257m); p14__2 (tier 1, 37.84952,-90.51536 +/-100m); p16__1 (tier 1, 37.85612,-90.51967 +/-212m); p16__2 (tier 1, 37.78051,-90.43178 +/-207m); p17__1 (tier 4, 37.84946,-90.51226 +/-1464m); p17__2 (tier 4, 37.84946,-90.51226 +/-1464m); p17__3 (tier 4, 37.84946,-90.51226 +/-1464m); p18__1 (tier 4, 37.84946,-90.51226 +/-1464m); p18__3 (tier 4, 37.84946,-90.51226 +/-1464m); p19 (tier 1, 37.78558,-90.42416 +/-247m); p20__1 (tier 1, 37.87483,-90.52312 +/-217m); p20__2 (tier 1, 37.85161,-90.50827 +/-197m); p20__3 (tier 1, 37.84838,-90.50430 +/-100m); p21__1 (tier 1, 37.84878,-90.49898 +/-216m); p22__1 (tier 2, 37.84617,-90.50569 +/-100m); p22__2 (tier 1, 37.84752,-90.50059 +/-125m); p22__3 (tier 1, 37.84683,-90.50483 +/-169m); p22__4 (tier 1, 37.85063,-90.50101 +/-100m); p24__3 (tier 1, 37.85250,-90.49753 +/-101m); p25__1 (tier 2, 37.85338,-90.49525 +/-100m); p25__2 (tier 2, 37.85338,-90.49525 +/-100m); p25__3 (tier 2, 37.85338,-90.49525 +/-100m); p25__4 (tier 2, 37.85338,-90.49525 +/-100m); p25__5 (tier 1, 37.85431,-90.49521 +/-181m); p26 (tier 1, 37.87351,-90.52623 +/-238m); p28 (tier 4, 37.84946,-90.51226 +/-1464m); p4 (tier 1, 37.84834,-90.51846 +/-261m); p6__1 (tier 4, 37.84946,-90.51226 +/-1464m); p6__2 (tier 4, 37.84946,-90.51226 +/-1464m); p6__3 (tier 4, 37.84946,-90.51226 +/-1464m); p7__1 (tier 1, 37.84550,-90.52650 +/-137m); p7__2 (tier 2, 37.84752,-90.52363 +/-182m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flat River, Missouri | 1927 | sanborn04659_003 p11","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.66"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:28:41Z","modified":"2026-10-19T11:28:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1541.8,1557.9 1452.4,1571.6 1357.1,1589.3 1126.4,1639.1 1088.2,1647.3 564.2,1815.8 386.9,1880.8 384.5,1873.5 249.3,1790.7 61.5,1379.9 29.3,1353.1 149.3,1142.6 278.8,1129.5 277.9,1113.0 308.9,862.4 334.1,818.3 314.2,819.9 272.4,823.2 735.9,171.7 727.0,164.0 821.5,60.0 1047.7,141.8 1523.5,137.4 1484.4,1195.0 1530.7,1409.2 1612.0,1459.0 1612.0,1480.4 1536.8,1505.0 1540.3,1542.1 1541.8,1557.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[357.0,570.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.5216925,37.8557976]}},{"type":"Feature","properties":{"resourceCoords":[727.0,164.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.5204135,37.8556038]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flat River, Missouri | 1927 | sanborn04659_003 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:28:41Z","modified":"2026-10-19T11:28:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"395.5,1858.2 383.4,1869.5 289.6,1777.7 49.3,1820.7 48.9,358.4 154.8,130.1 335.3,59.5 740.8,22.1 1352.0,86.6 1471.3,149.9 1521.7,443.4 1477.5,692.1 1545.3,1555.5 1561.3,1599.3 1419.8,1593.3 1419.5,1605.2 616.3,1666.9 645.8,1697.1 395.5,1858.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[880.0,1582.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.5216662234177,37.85577014038948]}},{"type":"Feature","properties":{"resourceCoords":[1425.0,1582.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.5203974701465,37.855623273624374]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0018__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flat River, Missouri | 1927 | sanborn04659_003 p18 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.01"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2428.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4024.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T11:28:41Z","modified":"2026-10-19T11:28:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0018__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"839.6,115.4 701.7,191.8 673.9,833.4 705.3,1087.2 692.7,1792.1 732.1,1865.0 910.7,1865.3 959.0,1829.2 958.7,1773.3 958.7,1773.2 958.7,1772.7 907.1,1605.2 903.2,1597.0 904.6,1597.0 904.1,1595.4 1460.3,1594.2 1584.0,1526.4 1565.8,1149.6 1612.0,596.3 1612.0,595.5 1582.8,417.8 1466.0,135.1 1410.5,147.9 1348.7,99.0 1140.6,44.0 839.6,115.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0018__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1081.0,1280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.5075367,37.8480795]}},{"type":"Feature","properties":{"resourceCoords":[883.0,93.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.5125542,37.8486104]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flat River, Missouri | 1927 | sanborn04659_003 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:28:41Z","modified":"2026-10-19T11:28:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1118.6,1835.3 1275.3,866.2 1380.3,866.8 1376.0,145.0 1369.3,112.9 990.4,131.2 454.1,50.1 173.3,142.6 80.7,73.0 78.7,94.7 1.0,112.2 1.0,166.6 2.2,166.6 109.9,162.0 191.4,948.9 253.0,1498.0 278.3,1732.2 949.5,1595.3 1101.4,1797.5 1118.6,1835.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[253.0,1498.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.5243456,37.8511014]}},{"type":"Feature","properties":{"resourceCoords":[1376.0,145.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.520262,37.8509438]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0021__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flat River, Missouri | 1927 | sanborn04659_003 p21 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"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":"4239.6"}],"created":"2026-10-19T11:28:41Z","modified":"2026-10-19T11:28:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0021__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1349.2,38.6 1348.6,48.7 666.3,22.9 344.9,99.7 184.2,65.9 57.1,160.0 58.5,888.2 304.2,910.9 304.9,911.0 315.2,911.9 360.8,998.6 487.8,1048.8 1346.1,1051.2 1435.0,1043.0 1451.6,984.3 1469.5,758.9 1444.6,756.1 1490.6,44.4 1349.2,38.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0021__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[841.0,60.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.50322916112478,37.84548408103394]}},{"type":"Feature","properties":{"resourceCoords":[1484.0,60.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.501781998058,37.84518412218645]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flat River, Missouri | 1927 | sanborn04659_003 p23","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:28:41Z","modified":"2026-10-19T11:28:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"182.1,169.2 1.0,157.9 1.0,158.3 39.1,176.4 29.4,1858.6 159.7,1881.5 159.7,1870.8 888.0,1869.0 1484.2,1866.9 1575.7,1865.2 1612.0,1596.5 1612.0,1588.6 1569.6,236.2 1529.6,66.7 891.3,38.3 888.0,178.0 184.4,144.6 182.1,169.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[888.0,1869.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.4979222,37.8443584]}},{"type":"Feature","properties":{"resourceCoords":[888.0,178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.5017579,37.8452088]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0024__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flat River, Missouri | 1927 | sanborn04659_003 p24 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"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":"3523.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T11:28:41Z","modified":"2026-10-19T11:28:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0024__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"38.3,1201.2 44.0,1912.0 65.9,1850.2 810.6,1836.8 827.6,112.2 608.1,38.3 575.4,74.1 75.0,123.9 121.2,285.1 50.0,527.9 30.9,525.4 33.0,615.3 38.3,1201.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0024__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[577.9,1207.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.49668236825799,37.84406617142745]}},{"type":"Feature","properties":{"resourceCoords":[44.0,1207.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.4979129722749,37.8443448152889]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0024__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flat River, Missouri | 1927 | sanborn04659_003 p24 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.28"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3470.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2981.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T11:28:41Z","modified":"2026-10-19T11:28:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0024__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1405.1,939.5 1307.9,939.5 1307.9,939.5 1307.5,939.5 1288.3,931.2 1242.0,63.3 1057.4,59.8 902.2,253.2 905.6,1714.3 947.3,1878.2 1072.6,1855.4 1077.5,1872.0 1571.0,1817.3 1602.8,1781.5 1584.7,1775.7 1565.8,951.0 1405.1,939.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0024__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1569.0,1626.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.4958111,37.8464814]}},{"type":"Feature","properties":{"resourceCoords":[1036.5,1626.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.4970503,37.846774]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flat River, Missouri | 1927 | sanborn04659_003 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:28:41Z","modified":"2026-10-19T11:28:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.5,1802.3 27.0,1053.5 71.6,94.0 124.0,106.3 185.3,147.7 415.4,151.7 1069.9,33.0 1415.1,120.2 1509.9,86.3 1566.5,186.8 1557.2,400.1 1577.0,414.6 1593.7,1894.1 1545.8,1822.7 650.4,1864.2 76.5,1802.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0027/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.4976224245234,37.85359339290696]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.49390673991478,37.85345655108628]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.49411084142281,37.84995248184757]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.49782652603143,37.85008932366825]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flat River, Missouri | 1927 | sanborn04659_003 p3","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:28:41Z","modified":"2026-10-19T11:28:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1377.2,1894.5 1337.7,1859.2 1113.3,1806.5 316.4,1882.6 310.0,1912.0 190.6,1912.0 185.0,1893.9 147.0,1808.2 309.1,853.0 412.7,854.4 414.0,142.0 407.6,110.2 1464.1,67.6 1509.3,211.6 1509.3,1096.3 1612.0,1174.6 1612.0,1191.4 1468.4,1188.5 1377.2,1894.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.52058767830513,37.85171628847347]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.51828249764704,37.84933083410147]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.521865734804,37.84717228598895]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.5241709154621,37.84955774036094]}},{"type":"Feature","properties":{"resourceCoords":[414.0,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.520262,37.8509438]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flat River, Missouri | 1927 | sanborn04659_003 p5","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.68"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:28:41Z","modified":"2026-10-19T11:28:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"774.7,158.3 776.1,182.6 1010.6,377.5 1235.2,401.7 1406.7,793.7 1533.2,793.9 1533.6,1575.2 1237.9,1867.7 1021.5,1857.8 978.0,1748.7 768.1,1723.5 478.9,1740.2 425.9,1854.9 77.3,1875.0 32.1,1736.2 56.6,427.1 666.4,26.9 774.7,158.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[817.0,1145.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.5205175,37.8461612]}},{"type":"Feature","properties":{"resourceCoords":[1265.0,758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.5194379,37.8468159]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flat River, Missouri | 1927 | sanborn04659_003 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:28:41Z","modified":"2026-10-19T11:28:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1512.5,958.4 1506.0,1.0 1495.5,1.0 1435.8,94.8 394.4,85.9 173.6,318.8 123.5,1114.5 43.0,1249.4 151.1,1806.5 222.3,1833.9 367.4,1741.6 787.1,1758.1 1092.7,1901.2 1119.7,1782.1 1139.0,1780.7 1274.2,1753.9 1507.8,1651.3 1528.1,960.4 1512.5,958.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1251.0,936.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.52519839872983,37.85044758290601]}},{"type":"Feature","properties":{"resourceCoords":[122.0,1799.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.52534104418677,37.84786460161114]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flat River, Missouri | 1927 | sanborn04659_003 p9","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:28:41Z","modified":"2026-10-19T11:28:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"485.6,1868.5 143.1,1706.2 31.5,1481.6 28.8,957.3 89.6,913.6 149.6,548.1 113.2,230.1 303.3,201.3 860.4,139.8 1140.6,136.6 1239.3,138.3 1333.5,143.1 1441.0,150.0 1438.2,940.0 1441.0,1492.0 1441.2,1743.0 485.6,1868.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164fm:g4164fm_g046591927:04659_1927-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1441.0,1492.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.5243456,37.8511014]}},{"type":"Feature","properties":{"resourceCoords":[1441.0,150.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.522061,37.852784]}}]}}]}