{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05289_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Las Vegas, Nevada | 1923 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"13"},{"label":"placed","value":"10"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 8, georef-street 1, georef-snap 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 36.17873,-115.15031 +/-200m); p2__1 (tier 1, 36.17771,-115.14623 +/-100m); p7__3 (tier 1, 36.16651,-115.15032 +/-180m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Las Vegas, Nevada | 1923 | sanborn05289_001 p10","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.30"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:55:03Z","modified":"2026-10-22T12:55:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0010","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"825.9,54.8 826.0,40.0 1484.4,33.4 1484.3,8.7 1534.9,83.0 1534.7,59.4 1576.5,43.1 1529.0,100.2 1581.0,150.8 1611.3,195.3 1573.7,979.0 1626.7,1366.5 1610.0,1886.0 150.1,1911.2 143.7,1085.8 142.1,1085.8 137.2,581.2 139.1,581.2 116.4,63.5 825.9,54.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[826.0,576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.1410331,36.1709137]}},{"type":"Feature","properties":{"resourceCoords":[826.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.1421737,36.171413]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_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":"Las Vegas, Nevada | 1923 | sanborn05289_001 p2 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.67"},{"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":"6512.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-10-22T12:55:03Z","modified":"2026-10-22T12:55:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0002","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1261.3,17.6 292.0,47.4 246.9,120.9 53.8,54.7 33.8,432.4 32.8,1342.7 533.6,1352.6 572.0,1352.6 572.0,1353.3 572.5,1353.4 611.3,1889.3 773.0,1894.0 1207.4,1898.7 1231.1,1919.0 1284.1,1919.0 1285.4,1890.2 1579.9,1891.5 1627.0,1842.9 1627.0,847.9 1562.9,778.9 1561.2,778.9 1385.0,241.7 1299.2,242.1 1300.7,1.0 1261.8,1.0 1261.3,17.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[571.0,1347.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.1471304,36.1615868]}},{"type":"Feature","properties":{"resourceCoords":[571.0,788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.1482495,36.162058]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Las Vegas, Nevada | 1923 | sanborn05289_001 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:55:03Z","modified":"2026-10-22T12:55:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0003","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.1,378.7 37.0,1043.7 76.1,1043.4 76.0,1287.5 162.5,1286.6 343.3,1827.2 345.1,1827.3 431.4,1919.0 1375.8,1919.0 1476.1,1824.1 1487.4,1824.1 1529.8,1824.4 1529.2,1650.8 1547.9,1606.5 1547.5,1524.7 1528.8,1484.5 1527.7,1182.0 1508.8,1069.6 1465.5,1009.5 1520.2,955.2 1533.4,897.9 1548.2,105.7 1430.0,99.3 1429.9,53.5 83.8,65.5 1.0,87.2 1.0,106.2 77.8,105.9 76.8,379.0 54.1,378.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[76.0,1253.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.1486505,36.1637243]}},{"type":"Feature","properties":{"resourceCoords":[76.0,1825.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.1475183,36.1632408]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Las Vegas, Nevada | 1923 | sanborn05289_001 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:55:03Z","modified":"2026-10-22T12:55:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0004","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,46.0 1.0,91.3 116.8,97.8 101.0,881.2 87.8,937.9 33.7,991.5 76.4,1051.0 94.8,1162.2 95.5,1461.3 113.9,1501.1 114.2,1582.0 95.7,1625.8 96.0,1797.5 849.3,1814.9 1539.0,1814.0 1544.7,669.9 1541.2,386.9 1540.9,98.9 1528.3,100.5 1286.0,36.3 1.0,46.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[816.0,1814.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.1452042,36.1667148]}},{"type":"Feature","properties":{"resourceCoords":[1539.0,1814.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.144441,36.167884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Las Vegas, Nevada | 1923 | sanborn05289_001 p5","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.52"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:55:03Z","modified":"2026-10-22T12:55:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0005","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"597.1,21.4 1083.0,98.7 1370.3,55.1 1518.8,110.8 1516.1,1198.3 1460.3,1198.9 1394.2,1199.6 1394.1,1246.2 1509.2,1244.7 1538.0,1808.3 791.2,1811.3 791.2,1808.1 72.2,1811.7 73.7,663.0 69.2,378.8 67.9,89.6 597.1,21.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-115.1481249,36.1693161]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-115.1464016,36.1719331]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-115.1425784,36.170292499999995]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-115.1443017,36.1676755]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Las Vegas, Nevada | 1923 | sanborn05289_001 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.66"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:55:03Z","modified":"2026-10-22T12:55:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0006","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1627.0,1826.2 1616.2,1830.3 1587.2,1744.8 1595.8,249.8 1511.3,76.1 733.4,54.5 130.7,124.2 121.8,121.0 122.1,1210.7 66.2,1211.4 1.0,1212.2 1.0,1258.9 115.3,1257.1 145.7,1821.8 864.6,1816.9 864.9,1801.0 1573.0,1797.9 1573.0,1771.4 1627.0,1851.6 1627.0,1826.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[864.0,1245.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.14327803964851,36.171888276474064]}},{"type":"Feature","properties":{"resourceCoords":[864.0,101.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.14554823733772,36.17286877115101]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Las Vegas, Nevada | 1923 | sanborn05289_001 p7 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.72"},{"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":"6512.0"},{"label":"split_canvas_h","value":"5228.0"}],"created":"2026-10-22T12:55:03Z","modified":"2026-10-22T12:55:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0007","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.0,96.4 78.9,127.7 64.2,1222.7 391.6,1225.2 397.3,1229.0 405.5,1229.0 405.5,1234.6 509.2,1305.2 1557.2,1294.5 1583.5,996.3 1597.8,988.7 1534.2,988.6 1534.2,617.3 1537.1,63.3 1427.9,64.4 1364.9,1.0 453.4,1.0 390.2,66.9 96.0,67.3 94.9,96.1 42.0,96.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1537.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.1437212,36.1645852]}},{"type":"Feature","properties":{"resourceCoords":[95.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.1452448,36.1622591]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Las Vegas, Nevada | 1923 | sanborn05289_001 p7 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"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":"4916.0"},{"label":"split_canvas_w","value":"1622.0"},{"label":"split_canvas_h","value":"1190.0"}],"created":"2026-10-22T12:55:03Z","modified":"2026-10-22T12:55:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0007","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"354.5,1525.5 376.9,1525.5 374.6,1255.0 297.8,1256.2 297.5,1237.7 131.7,1283.3 24.7,1240.8 7.0,1300.9 14.6,1515.7 188.1,1479.8 354.5,1525.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1229.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-115.15137704346753,36.164117506723414]}},{"type":"Feature","properties":{"resourceCoords":[405.5,1229.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-115.15093721114324,36.16476919928352]}},{"type":"Feature","properties":{"resourceCoords":[405.5,1526.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-115.15034670204093,36.16450944414858]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1526.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-115.15078653436522,36.16385775158847]}},{"type":"Feature","properties":{"resourceCoords":[374.6,1255.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.1509191,36.1646967]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Las Vegas, Nevada | 1923 | sanborn05289_001 p8","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.22"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:55:03Z","modified":"2026-10-22T12:55:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0008","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.2,1066.5 153.0,1065.3 151.2,1576.4 151.7,1919.0 201.3,1919.0 210.4,1919.0 251.5,1897.2 1484.1,1886.7 1484.8,1362.1 1486.7,1058.3 1488.2,51.9 850.8,54.8 154.5,40.8 115.8,40.6 105.4,40.6 1.0,139.7 1.0,1015.1 52.2,1066.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[820.0,1631.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.141792,36.165252]}},{"type":"Feature","properties":{"resourceCoords":[820.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.1452042,36.1667148]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Las Vegas, Nevada | 1923 | sanborn05289_001 p9","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.29"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:55:03Z","modified":"2026-10-22T12:55:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0009","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"822.0,65.0 822.0,68.0 1467.5,66.5 1484.7,577.2 1482.9,577.2 1482.7,1074.8 1484.3,1074.8 1482.4,1888.8 154.9,1898.4 156.3,1374.8 158.5,1071.7 161.4,67.2 822.0,65.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd435m:g4354m:g4354lm:g052891923:05289_1923-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[822.0,1636.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.1402788,36.1675865]}},{"type":"Feature","properties":{"resourceCoords":[822.0,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.143687,36.169043]}}]}}]}