{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03366_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Minden, Louisiana | 1923 | 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":"8"},{"label":"placed","value":"6"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef-snap 4, georef 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p5__2 (tier 2, 32.61711,-93.28440 +/-100m); p6__2 (tier 1, 32.61168,-93.29067 +/-148m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Minden, Louisiana | 1923 | sanborn03366_007 p2 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"8"},{"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":"2026-10-19T11:14:15Z","modified":"2026-10-19T11:14:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1583.3,1786.5 1584.0,658.4 1469.0,463.4 1507.5,152.3 1375.9,3.7 1350.8,1.0 1341.8,1.0 1348.1,128.4 1119.6,199.0 847.8,196.2 846.4,195.0 519.5,706.0 519.5,759.5 519.5,759.5 485.4,759.5 373.1,935.0 332.6,934.1 67.5,1377.7 122.5,1377.8 146.1,1834.0 630.5,1830.7 880.5,1829.3 1543.0,1817.8 1583.3,1786.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1126.0,932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.286189,32.6153114]}},{"type":"Feature","properties":{"resourceCoords":[1126.0,1824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.2875306,32.6141267]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Minden, Louisiana | 1923 | sanborn03366_007 p2 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.21"},{"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":"2078.0"},{"label":"split_canvas_h","value":"3038.0"}],"created":"2026-10-19T11:14:15Z","modified":"2026-10-19T11:14:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"494.6,268.4 281.3,268.3 280.1,415.6 25.6,188.8 19.9,261.5 10.3,662.1 278.0,668.4 504.4,601.8 494.6,268.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.28454824173384,32.61756427794775]}},{"type":"Feature","properties":{"resourceCoords":[519.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.28370615946133,32.61690540679089]}},{"type":"Feature","properties":{"resourceCoords":[519.5,759.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.28484140031836,32.615861438025554]}},{"type":"Feature","properties":{"resourceCoords":[0.0,759.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.28568348259087,32.61652030918241]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Minden, Louisiana | 1923 | sanborn03366_007 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.41"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:14:15Z","modified":"2026-10-19T11:14:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1587.0,484.7 1589.0,486.9 1563.7,731.6 1566.2,729.8 1525.1,1418.4 1567.5,1477.2 1544.3,1492.9 1530.5,1808.5 1520.7,1807.3 1531.3,1847.2 1414.4,1874.2 988.7,1781.0 704.9,1820.4 467.9,1806.0 434.6,1762.0 344.2,1770.4 417.5,1714.9 418.1,1673.0 338.2,1567.4 202.6,1522.3 88.0,1553.7 42.1,1316.2 73.1,808.4 42.6,554.7 76.4,367.7 117.9,276.3 170.8,254.8 239.3,272.1 366.5,245.1 535.2,297.4 792.1,149.2 1100.3,142.0 1188.4,93.8 1315.7,85.2 1323.0,70.5 1344.3,86.6 1525.3,88.0 1608.2,191.4 1612.0,187.6 1612.0,282.8 1587.0,484.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[408.0,1035.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.29435327876796,32.62287765074806]}},{"type":"Feature","properties":{"resourceCoords":[966.0,642.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.2913835529782,32.62279245954425]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Minden, Louisiana | 1923 | sanborn03366_007 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.50"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:14:15Z","modified":"2026-10-19T11:14:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1397.5,1287.3 1564.9,1027.7 1565.6,1028.4 1567.2,821.2 1546.0,815.8 1537.5,810.4 823.9,45.4 788.8,76.7 632.6,75.0 483.1,25.9 255.1,35.6 95.1,78.8 1.0,197.4 1.0,207.8 10.5,295.2 7.8,502.1 10.1,504.1 11.8,754.4 14.3,752.3 49.8,1453.2 99.2,1508.0 77.5,1526.4 98.9,1847.0 88.8,1847.0 104.1,1886.0 135.9,1874.9 1107.1,1888.3 1129.6,1912.0 1161.5,1912.0 1165.0,1861.1 1205.2,1861.0 1194.0,1628.7 1166.0,1628.5 1301.9,1403.1 1322.5,1403.6 1380.0,1314.5 1397.4,1314.5 1397.5,1287.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[563.0,472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.2870001491209,32.62058175936927]}},{"type":"Feature","properties":{"resourceCoords":[1263.0,1452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.2877078628695,32.616282033323245]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Minden, Louisiana | 1923 | sanborn03366_007 p5 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"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":"2026-10-19T11:14:15Z","modified":"2026-10-19T11:14:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"988.0,1819.8 989.7,1912.0 1024.0,1912.0 1086.3,1856.1 1538.1,1826.2 1516.8,1549.2 1559.2,1392.8 1531.6,1279.4 1559.3,1200.2 1523.4,1143.6 1546.1,871.6 1528.4,433.4 1467.2,315.6 1527.7,256.5 1522.9,201.6 1553.0,174.6 1508.8,125.3 1465.3,159.4 1264.8,67.7 1191.3,79.3 1073.9,36.5 647.6,28.8 610.1,47.5 613.9,216.9 569.0,276.9 536.5,429.9 535.2,446.5 532.5,448.6 519.9,508.4 103.5,842.1 76.8,900.5 95.8,982.2 38.4,1030.7 718.3,1800.6 726.5,1806.1 731.0,1807.4 747.1,1812.0 750.4,1775.2 878.3,1892.6 879.7,1817.8 988.0,1819.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[246.0,1298.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.28503806066497,32.61981234340296]}},{"type":"Feature","properties":{"resourceCoords":[1320.0,1503.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.28214859994632,32.6166204965868]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Minden, Louisiana | 1923 | sanborn03366_007 p6 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.01"},{"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":"2026-10-19T11:14:15Z","modified":"2026-10-19T11:14:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.8,109.1 105.8,139.9 83.2,292.9 98.0,480.8 71.8,522.9 77.9,622.4 25.3,873.8 74.5,1042.4 47.8,1558.8 101.8,1718.5 138.0,1715.0 210.2,1791.7 371.2,1846.2 556.2,1851.7 614.2,1876.0 730.2,1850.0 754.2,1801.1 769.1,1528.2 831.2,1338.1 896.3,1276.8 993.3,1356.5 1000.7,1410.9 1212.8,1417.2 1276.8,1392.0 1289.5,1270.5 1264.4,1202.0 1198.7,1132.2 1127.3,1103.0 1044.1,1014.7 1030.0,957.9 1051.0,933.6 765.1,676.7 724.4,298.4 714.9,88.0 748.1,62.4 460.4,65.7 351.8,65.6 107.1,65.8 104.0,109.2 76.8,109.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014mm:g033661923:03366_1923-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[567.0,627.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.2894675,32.6123952]}},{"type":"Feature","properties":{"resourceCoords":[567.0,64.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.2875306,32.6141267]}}]}}]}