{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08771_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Strawn, Texas | 1920 | 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":"11"},{"label":"placed","value":"9"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef-snap 6, georef 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 32.55344,-98.49266 +/-172m); p1__3 (tier 1, 32.55227,-98.49280 +/-179m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Strawn, Texas | 1920 | sanborn08771_001 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:16:14Z","modified":"2026-10-19T00:16:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"46.5,1685.1 75.3,1407.9 41.9,1156.7 66.6,939.4 115.0,806.2 82.2,629.5 78.2,112.3 676.4,84.7 744.7,99.3 754.0,195.6 913.6,230.9 1122.1,207.5 1265.0,87.5 1458.0,53.9 1500.6,77.4 1541.8,205.3 1534.8,470.0 1572.6,475.2 1598.1,1166.2 1580.0,1818.7 1608.6,1823.8 1294.1,1835.5 1293.8,1832.0 1055.8,1834.3 774.4,1836.8 500.8,1841.2 308.4,1844.7 67.0,1846.8 46.5,1685.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.50071798514612,32.561032076827125]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.49383168415818,32.560689981333255]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.49430967839643,32.55375776833567]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.50119597938438,32.55409986382954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Strawn, Texas | 1920 | sanborn08771_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.58"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:16:14Z","modified":"2026-10-19T00:16:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"978.7,1777.1 364.7,1783.5 120.3,1785.7 130.1,1192.5 150.9,125.5 699.4,121.3 1263.5,121.3 1508.2,120.9 1518.5,614.8 1530.8,614.4 1560.4,1182.6 1534.6,1182.7 1542.0,1775.5 1265.9,1776.5 978.7,1777.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.49934813318319,32.5544944689013]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.49591139195913,32.55434871196493]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.49611504196628,32.55088889726677]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.49955178319034,32.55103465420314]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Strawn, Texas | 1920 | sanborn08771_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:16:14Z","modified":"2026-10-19T00:16:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.6,1782.9 62.8,1188.3 88.5,1188.5 65.3,618.2 53.0,618.5 48.2,123.0 279.9,125.5 280.3,132.7 908.6,121.7 1070.3,154.2 1239.5,274.8 1388.8,269.1 1482.7,183.2 1535.8,203.6 1484.2,220.5 1439.4,416.6 1547.7,1750.3 949.8,1789.7 949.9,1794.2 365.9,1785.2 63.6,1782.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[269.0,664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.49571976936775,32.55314827219328]}},{"type":"Feature","properties":{"resourceCoords":[372.0,1782.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.49559166641654,32.55112430259647]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Strawn, Texas | 1920 | sanborn08771_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:16:14Z","modified":"2026-10-19T00:16:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"907.7,1765.9 629.5,1770.3 469.9,1767.7 409.6,1753.0 24.1,1736.3 74.6,1672.9 55.9,427.1 120.8,387.9 130.2,248.2 687.4,146.0 686.5,137.0 1162.6,142.2 1542.0,142.7 1509.7,1191.9 1493.6,1775.2 907.7,1765.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.5023698640029,32.55462649796389]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.49887399512649,32.55451143632692]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.49903475722229,32.55099208009186]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.5025306260987,32.55110714172883]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Strawn, Texas | 1920 | sanborn08771_001 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:16:14Z","modified":"2026-10-19T00:16:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1625.0 1.0,1625.3 169.3,1738.5 201.6,1679.6 1244.6,1678.6 1538.4,1679.3 1558.0,1118.5 1542.5,545.1 1539.7,545.2 1543.5,233.5 1612.0,236.6 1612.0,210.1 1563.6,209.8 982.8,199.0 837.7,200.9 707.0,202.7 548.8,199.7 489.0,184.8 106.8,167.2 31.1,262.4 29.5,1623.9 1.0,1625.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[713.0,1111.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.50121350081203,32.549650414082954]}},{"type":"Feature","properties":{"resourceCoords":[1273.0,559.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.49994516385084,32.55063005565201]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Strawn, Texas | 1920 | sanborn08771_001 p6","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:16:14Z","modified":"2026-10-19T00:16:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"83.5,1697.8 102.0,1134.6 85.1,558.9 82.2,559.0 85.3,246.0 154.1,249.0 154.1,222.3 344.8,222.8 946.0,223.4 1227.2,226.2 1484.2,228.1 1501.7,595.4 1514.8,595.4 1517.0,1138.0 1502.8,1709.0 946.4,1702.8 370.7,1697.8 83.5,1697.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[377.0,1138.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.498768,32.549554]}},{"type":"Feature","properties":{"resourceCoords":[1517.0,1138.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.496286,32.549473]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Strawn, Texas | 1920 | sanborn08771_001 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:16:14Z","modified":"2026-10-19T00:16:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"693.7,1671.1 138.4,1668.7 148.3,1103.5 142.2,566.5 129.2,566.5 109.3,203.2 416.5,203.2 984.6,207.8 984.5,203.4 1565.8,160.8 1587.0,400.6 1562.1,1755.2 1412.4,1846.0 1255.0,1780.4 1255.0,1790.8 693.6,1690.0 693.7,1671.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[694.0,1115.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.495087,32.549405]}},{"type":"Feature","properties":{"resourceCoords":[1259.0,213.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.493753,32.551029]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Strawn, Texas | 1920 | sanborn08771_001 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:16:14Z","modified":"2026-10-19T00:16:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1533.7,916.0 1510.2,1802.3 610.8,1886.9 62.9,1838.7 52.7,194.8 68.6,61.4 223.4,54.1 394.5,166.7 426.4,107.1 1476.6,95.5 1498.9,668.2 1540.3,668.3 1533.7,916.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[944.0,668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.50131029169566,32.54756668083147]}},{"type":"Feature","properties":{"resourceCoords":[1516.0,668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.50006887876289,32.54751793309616]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Strawn, Texas | 1920 | sanborn08771_001 p9","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:16:14Z","modified":"2026-10-19T00:16:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"102.1,343.4 81.4,343.1 72.8,57.4 364.1,57.7 652.1,60.4 930.5,63.8 1211.2,67.3 1211.0,76.9 1494.5,130.1 1494.5,124.9 1573.8,158.7 1570.7,160.6 1572.2,587.0 1524.4,588.9 1482.3,641.9 1469.3,881.5 1480.5,1079.6 1513.0,1162.9 1571.8,1160.7 1571.6,1252.7 1539.0,1169.3 1392.5,1185.9 1373.4,1359.5 1397.7,1807.2 1350.9,1834.7 1216.4,1876.5 1152.9,1849.5 970.2,1882.2 680.9,1815.9 616.7,1770.5 403.8,1782.2 247.4,1828.6 151.3,1813.9 117.2,1789.4 190.0,1768.3 200.7,1565.6 125.9,1531.7 94.6,1481.4 69.0,1278.6 70.0,1253.1 98.6,907.6 82.1,909.0 102.1,343.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087711920:08771_1920-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[646.0,653.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4977,32.546304]}},{"type":"Feature","properties":{"resourceCoords":[1495.0,354.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.493956,32.547283]}}]}}]}