{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08553_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Grand Prairie, 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":"12"},{"label":"placed","value":"5"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef-snap 5"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__2 (tier 2, 32.74494,-97.00194 +/-100m); p1__3 (tier 2, 32.74494,-97.00194 +/-100m); p6 (tier 1, 32.74437,-97.00676 +/-247m); p8__1 (tier 1, 32.74114,-97.02106 +/-218m); p8__2 (tier 4, 32.74643,-97.00307 +/-381m); p8__3 (tier 4, 32.74643,-97.00307 +/-381m); p9 (tier 1, 32.73308,-97.00875 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Prairie, Texas | 1920 | sanborn08553_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T20:56:20Z","modified":"2026-10-19T20:56:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"72.5,216.1 72.9,184.5 73.1,163.2 789.8,169.2 789.9,185.4 790.1,212.7 846.3,213.2 846.5,194.3 1564.0,125.0 1563.5,160.3 1563.0,191.4 1558.2,459.6 1526.2,459.4 1521.8,956.6 1565.9,956.8 1568.1,1035.3 1566.6,1432.3 1557.1,1726.7 1537.6,1726.8 1524.6,1830.1 1488.1,1798.2 911.1,1892.2 89.4,1873.0 31.6,1188.7 59.2,222.0 72.5,216.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_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":[-97.00531736365618,32.746216931781376]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.00192165019625,32.746389954629606]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.00167938714957,32.742978744098906]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.00507510060949,32.742805721250676]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Prairie, Texas | 1920 | sanborn08553_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.40"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T20:56:20Z","modified":"2026-10-19T20:56:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1588.5,1912.0 1530.7,1912.0 953.0,1837.0 450.6,1874.4 36.5,1805.7 16.2,618.2 94.5,44.4 446.4,27.9 765.5,61.4 810.6,56.6 1446.1,41.8 1498.3,81.6 1512.5,113.1 1523.7,137.3 1580.0,259.5 1598.8,382.6 1601.1,456.4 1593.0,1225.4 1593.3,1455.4 1589.1,1849.1 1588.9,1881.0 1588.5,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.00878930801274,32.74914928634549]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.0053245684814,32.749320614233476]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.00508467197926,32.745840159882306]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.0085494115106,32.74566883199432]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Prairie, Texas | 1920 | sanborn08553_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T20:56:20Z","modified":"2026-10-19T20:56:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"806.9,1884.4 807.4,1912.0 815.4,1912.0 864.1,1912.0 864.1,1892.8 1586.7,1814.8 1587.7,1677.6 1590.7,1430.0 1594.3,737.0 1602.5,208.5 1578.9,208.9 1584.0,108.2 1339.2,50.5 1227.8,129.4 635.1,161.2 129.4,143.5 1.0,46.7 1.0,60.0 2.8,85.5 61.7,211.6 82.2,338.9 85.0,415.4 83.1,1211.9 85.2,1450.2 84.1,1858.0 84.1,1869.4 806.7,1867.9 806.9,1884.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1067.0,749.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.00320637151572,32.74798904058381]}},{"type":"Feature","properties":{"resourceCoords":[1067.0,233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.00326034263618,32.748895798294754]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Prairie, Texas | 1920 | sanborn08553_001 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T20:56:20Z","modified":"2026-10-19T20:56:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"136.3,1652.5 139.3,1411.4 143.1,736.8 151.4,222.2 128.2,222.5 133.2,124.5 368.1,54.9 797.6,46.8 1184.2,141.1 1463.5,125.4 1526.5,218.3 1502.1,254.4 1591.9,856.9 1521.9,1804.8 1135.7,1785.5 1135.8,1773.1 135.0,1833.4 135.2,1821.0 136.3,1652.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.00249061441292,32.749373082539094]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.99905341341392,32.7495208485016]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.99884650814292,32.74606806786886]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.00228370914192,32.74592030190636]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Prairie, Texas | 1920 | sanborn08553_001 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T20:56:20Z","modified":"2026-10-19T20:56:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"124.7,1745.3 144.5,1744.6 147.1,1445.3 139.1,1041.9 135.0,962.1 90.1,963.0 82.7,457.8 115.1,457.2 113.5,184.7 113.4,165.8 1141.4,89.1 1141.5,101.8 1538.8,116.0 1537.1,144.3 1595.4,453.6 1559.1,1873.1 537.6,1889.6 143.7,1875.2 114.0,1850.5 124.7,1745.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531920:08553_1920-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.002252217184,32.7463602770669]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.99890721414678,32.74646355059019]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.99876261226333,32.74310329149143]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.00210761530055,32.743000017968136]}}]}}]}