{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08553_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Grand Prairie, Texas | 1929 | 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":"16"},{"label":"placed","value":"5"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 32.86705,-96.77104 +/-228m); p1__2 (tier 4, 32.74522,-97.00759 +/-1186m); p1__3 (tier 4, 32.74522,-97.00759 +/-1186m); p1__4 (tier 4, 32.74522,-97.00759 +/-1186m); p1__5 (tier 4, 32.74522,-97.00759 +/-1186m); p3 (tier 1, 32.91233,-96.64475 +/-255m); p6 (tier 2, 32.74620,-97.00198 +/-161m); p7__1 (tier 1, 32.74711,-97.01095 +/-225m); p7__2 (tier 1, 32.74609,-97.00615 +/-116m); p7__3 (tier 1, 32.74317,-97.01067 +/-116m); p8__1 (tier 1, 32.64716,-96.87869 +/-179m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0002/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 | 1929 | sanborn08553_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:34:15Z","modified":"2026-10-19T21:34:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"153.1,1729.1 91.2,1651.9 71.7,360.9 100.7,360.9 100.5,300.5 101.2,236.4 794.1,231.1 795.0,324.1 848.2,323.8 848.9,229.7 848.9,225.7 1541.4,217.6 1539.9,319.7 1557.2,319.6 1548.1,1661.5 1477.9,1731.1 1118.5,1762.4 1121.2,1749.5 1050.2,1731.5 448.4,1731.6 262.9,1733.5 259.5,1747.1 153.1,1729.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[814.0,492.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0035551478332,32.74549355953467]}},{"type":"Feature","properties":{"resourceCoords":[814.0,1718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.00340269340066,32.74324666969709]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0004/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 | 1929 | sanborn08553_002 p4","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.69"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:34:15Z","modified":"2026-10-19T21:34:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1527.8,174.2 1550.8,295.8 1555.5,368.9 1575.1,1132.3 1583.5,1360.5 1594.3,1783.0 1595.9,1851.6 1598.2,1912.0 1569.3,1912.0 1567.6,1878.0 1288.4,1879.2 959.8,1791.2 591.1,1849.2 379.8,1771.0 115.0,1787.3 35.5,1726.7 71.4,95.4 381.4,28.7 1473.0,65.1 1527.8,174.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.00870679604067,32.749103122475645]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.00518527450004,32.749168180435426]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.0050934711615,32.745657967041055]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.00861499270214,32.745592909081275]}},{"type":"Feature","properties":{"resourceCoords":[1250.0,1427.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0059093,32.7465351]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0005/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 | 1929 | sanborn08553_002 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:34:15Z","modified":"2026-10-19T21:34:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.4,1814.5 70.0,1387.2 70.9,1156.3 82.8,384.3 81.0,310.2 62.7,186.5 11.9,73.9 221.7,89.5 439.5,177.7 721.3,195.4 1172.4,127.1 1296.2,53.0 1466.3,71.2 1557.6,158.8 1535.2,1912.0 1517.7,1912.0 1519.8,1808.8 819.5,1812.8 819.5,1816.8 818.3,1912.0 764.5,1912.0 764.1,1817.9 63.3,1819.2 63.4,1814.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[795.0,1379.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0036239,32.7467683]}},{"type":"Feature","properties":{"resourceCoords":[1026.0,206.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0032856,32.7489196]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0008__2/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 | 1929 | sanborn08553_002 p8 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.12"},{"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":"4658.8"}],"created":"2026-10-19T21:34:15Z","modified":"2026-10-19T21:34:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1.0 1466.9,1.0 345.9,285.2 1.0,376.4 1.0,403.6 48.5,399.8 322.7,996.0 956.4,988.8 999.9,1139.1 1375.1,1138.7 1555.0,353.5 1431.6,88.8 1612.0,25.8 1612.0,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1034.0,1136.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0036162,32.742263]}},{"type":"Feature","properties":{"resourceCoords":[1034.0,112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0033957,32.743221]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0009/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 | 1929 | sanborn08553_002 p9","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.03"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:34:15Z","modified":"2026-10-19T21:34:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"363.1,1899.4 83.0,1878.4 55.0,1832.7 42.0,1527.2 68.3,1413.3 32.8,606.4 68.9,66.5 436.8,28.3 975.2,21.2 1371.3,31.9 1538.6,66.5 1584.5,361.0 1549.5,831.0 1570.3,1275.9 1551.5,1313.1 1556.0,1874.9 363.1,1899.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085531929:08553_1929-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1342.0,1764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0241082,32.7416534]}},{"type":"Feature","properties":{"resourceCoords":[898.0,55.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0157976,32.7432349]}}]}}]}