{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08574_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Henrietta, Texas | 1907 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"17"},{"label":"placed","value":"14"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 9, georef-snap 5"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p4__1 (tier 1, 33.81800,-98.19770 +/-100m); p4__3 (tier 1, 33.81939,-98.19771 +/-100m); p4__4 (tier 1, 33.81708,-98.19769 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Henrietta, Texas | 1907 | sanborn08574_005 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:42:54Z","modified":"2026-10-20T00:42:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"138.4,1863.3 134.4,1406.1 144.6,956.6 143.6,497.3 149.0,38.1 600.0,42.2 1050.2,43.6 1493.6,40.0 1501.5,499.4 1498.6,961.7 1500.2,1409.4 1498.3,1859.5 1363.8,1861.5 213.5,1834.1 172.1,1863.5 138.4,1863.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[597.0,956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.19331468655142,33.81474705645925]}},{"type":"Feature","properties":{"resourceCoords":[1500.0,64.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.19126277518697,33.816410116857384]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Henrietta, Texas | 1907 | sanborn08574_005 p11","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:42:54Z","modified":"2026-10-20T00:42:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.9,1406.0 50.3,963.5 50.0,506.4 39.1,52.4 490.4,46.5 940.0,50.0 1507.8,50.4 1492.0,64.9 1503.4,939.0 1580.7,1414.2 1529.0,1805.8 1387.8,1878.7 56.0,1856.0 56.0,1851.0 54.9,1406.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[940.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1892189,33.8164374]}},{"type":"Feature","properties":{"resourceCoords":[56.0,1851.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.191292,33.8130411]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Henrietta, Texas | 1907 | sanborn08574_005 p12 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3792.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3859.6"}],"created":"2026-10-20T00:42:54Z","modified":"2026-10-20T00:42:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"917.2,1891.1 917.2,1885.0 1258.3,1883.6 1484.7,1887.4 1595.2,1889.7 1595.0,1884.0 1603.3,1883.5 1612.0,1876.8 1541.9,1857.8 1485.3,998.4 1515.3,977.0 1481.8,976.9 1034.3,968.8 580.9,965.9 134.0,973.8 132.0,1428.1 131.8,1890.2 917.2,1891.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1039.0,1428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1953741,33.8122069]}},{"type":"Feature","properties":{"resourceCoords":[132.0,1428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1974292,33.8122197]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0012__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Henrietta, Texas | 1907 | sanborn08574_005 p12 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.95"},{"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":"3840.4"}],"created":"2026-10-20T00:42:54Z","modified":"2026-10-20T00:42:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0012__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"104.5,943.1 1068.9,952.1 1480.8,949.1 1488.8,483.1 1498.6,24.9 1044.0,19.3 136.0,3.0 122.5,464.7 104.5,943.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1035.0,475.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1984489,33.8122267]}},{"type":"Feature","properties":{"resourceCoords":[578.0,475.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1994756,33.8122187]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Henrietta, Texas | 1907 | sanborn08574_005 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:42:54Z","modified":"2026-10-20T00:42:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1582.0,1642.1 1578.7,1196.7 1579.5,736.6 1582.3,255.1 1583.8,1.0 1576.1,1.0 1575.7,50.5 1460.2,87.4 1148.7,24.3 230.0,23.0 64.0,74.7 53.5,1825.3 278.2,1881.7 1573.0,1873.4 1601.4,1642.0 1582.0,1642.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[729.0,258.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1942407350736,33.821457274284796]}},{"type":"Feature","properties":{"resourceCoords":[1560.0,1642.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1973592949472,33.819924333010015]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Henrietta, Texas | 1907 | sanborn08574_005 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.26"},{"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":"4354.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T00:42:54Z","modified":"2026-10-20T00:42:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.5,86.7 73.8,538.5 136.6,801.2 65.2,1193.2 116.2,1794.6 523.4,1865.9 665.8,1796.8 1012.0,1793.4 1050.8,1138.4 971.0,1014.5 950.9,1014.5 950.5,1014.5 950.5,982.6 920.8,936.5 897.7,116.6 784.5,86.0 596.1,82.5 358.2,79.1 1.0,81.4 1.0,87.8 114.5,86.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[579.3,556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1944184,33.8104872]}},{"type":"Feature","properties":{"resourceCoords":[124.0,556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1954002,33.8104952]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Henrietta, Texas | 1907 | sanborn08574_005 p2","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:42:54Z","modified":"2026-10-20T00:42:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"127.2,1412.2 127.0,945.1 128.8,479.9 125.3,22.6 544.2,21.5 636.5,33.4 986.1,29.1 1074.5,19.9 1501.8,20.2 1496.4,486.2 1497.5,952.2 1487.2,1408.3 1491.3,1872.2 1035.7,1863.4 574.1,1859.9 119.2,1867.4 127.2,1412.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1034.0,949.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1953679,33.8147626]}},{"type":"Feature","properties":{"resourceCoords":[583.0,480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1963651,33.8156352]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Henrietta, Texas | 1907 | sanborn08574_005 p3","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:42:54Z","modified":"2026-10-20T00:42:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"30.4,545.1 94.4,63.9 946.6,14.4 1521.2,84.2 1533.1,27.4 1558.8,26.6 1561.2,487.5 1573.0,945.5 1571.0,1393.2 1565.8,1856.0 1122.0,1856.0 25.2,1865.8 30.4,545.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[666.0,950.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.2024936,33.8165318]}},{"type":"Feature","properties":{"resourceCoords":[1122.0,1856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.2014933,33.8148131]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Henrietta, Texas | 1907 | sanborn08574_005 p4 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.91"},{"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":"2026-10-20T00:42:54Z","modified":"2026-10-20T00:42:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.8,1877.9 607.5,1876.0 1063.8,1880.3 1526.4,1873.7 1520.6,947.4 1515.0,489.0 1509.6,61.7 1257.2,34.8 644.0,36.1 572.5,669.9 560.0,680.0 458.8,680.0 255.4,680.0 172.7,682.6 116.5,946.0 142.7,945.3 144.0,1413.0 154.8,1877.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1515.0,489.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1973608,33.8190545]}},{"type":"Feature","properties":{"resourceCoords":[144.0,1413.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.2004491,33.8173755]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Henrietta, Texas | 1907 | sanborn08574_005 p5","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:42:54Z","modified":"2026-10-20T00:42:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"133.7,936.9 131.7,480.7 129.5,36.0 575.1,33.0 1035.3,34.0 1517.1,37.1 1492.0,496.2 1496.9,955.0 1498.1,1856.7 1074.1,1856.2 986.5,1865.2 639.6,1869.4 548.0,1857.6 132.4,1858.5 133.7,936.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1040.0,494.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1953231,33.8190197]}},{"type":"Feature","properties":{"resourceCoords":[1040.0,1406.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1953352,33.8173198]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Henrietta, Texas | 1907 | sanborn08574_005 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:42:54Z","modified":"2026-10-20T00:42:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"394.4,38.1 394.4,30.3 1328.0,32.7 1474.6,96.5 1488.0,90.7 1488.4,498.7 1491.0,958.3 1490.7,1413.3 1493.5,1865.3 1043.7,1871.7 587.2,1873.0 129.7,1871.5 122.8,963.0 114.8,500.8 137.2,38.1 394.4,38.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[586.0,961.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.19327267815129,33.818148566094806]}},{"type":"Feature","properties":{"resourceCoords":[1036.0,1850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1922950458064,33.816493899991315]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Henrietta, Texas | 1907 | sanborn08574_005 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:42:54Z","modified":"2026-10-20T00:42:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"18.9,1409.7 18.6,953.5 15.4,492.9 14.5,83.8 153.7,21.9 1557.8,61.5 1588.5,1808.2 1532.5,1860.0 948.6,1859.9 486.2,1856.5 22.1,1862.7 18.9,1409.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1403.0,942.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.18818224375205,33.81811999646475]}},{"type":"Feature","properties":{"resourceCoords":[948.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.18916594230627,33.819795793566925]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Henrietta, Texas | 1907 | sanborn08574_005 p8","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:42:54Z","modified":"2026-10-20T00:42:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1134.0,54.0 1574.6,62.5 1578.8,497.9 1575.7,963.4 1565.1,1418.0 1550.2,1889.2 342.3,1885.1 65.1,1805.9 38.3,1314.8 110.5,1001.9 33.8,524.9 45.0,42.8 1134.0,54.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[678.0,944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.2025269,33.813123]}},{"type":"Feature","properties":{"resourceCoords":[1134.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.2014933,33.8148131]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Henrietta, Texas | 1907 | sanborn08574_005 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:42:54Z","modified":"2026-10-20T00:42:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"127.0,1385.2 114.9,945.1 120.8,480.6 123.4,31.1 571.2,28.9 1022.6,32.9 1480.2,26.0 1487.2,476.9 1489.2,935.8 1493.0,1396.5 1488.8,1845.5 1036.2,1850.7 132.1,1855.8 127.0,1385.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g085741907:08574_1907-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[560.0,938.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.19948327846538,33.81480124426338]}},{"type":"Feature","properties":{"resourceCoords":[560.0,1839.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.19951242797953,33.813112072263245]}}]}}]}