{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08528_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Forney, Texas | 1912 | 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":"9"},{"label":"placed","value":"6"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef-snap 3, georef 2, streets-candidate 1"},{"label":"key map","value":"georeferenced"},{"label":"unplaced pages","value":"p1__1 (tier 3, 32.74187,-96.47849 +/-1378m); p1__2 (tier 3, 32.74187,-96.47849 +/-1378m); p1__3 (tier 1, 32.74224,-96.46631 +/-197m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Forney, Texas | 1912 | sanborn08528_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:01:57Z","modified":"2026-10-19T13:01:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1551.0,1904.9 1555.0,1688.4 1569.5,1654.2 1573.0,1329.9 1588.6,789.9 1590.7,315.0 1568.3,314.0 1571.5,129.3 1528.9,137.3 1519.6,73.5 1428.1,40.0 628.2,19.8 136.6,157.3 132.7,757.7 55.7,792.7 33.4,903.3 52.7,1626.1 131.1,1685.3 1.0,1800.9 1.0,1832.2 1071.1,1877.9 1072.1,1907.2 1074.0,1912.0 1554.6,1912.0 1551.0,1904.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1093.0,1330.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.4703725869725,32.74911189313079]}},{"type":"Feature","properties":{"resourceCoords":[1093.0,290.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.46857695837038,32.75043033385208]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Forney, Texas | 1912 | sanborn08528_004 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:01:57Z","modified":"2026-10-19T13:01:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"567.7,1900.9 565.9,1912.0 548.1,1897.9 549.6,1841.1 82.8,1812.2 81.0,1899.1 70.2,1912.0 57.4,1887.8 57.8,1666.2 72.1,1630.9 70.2,1299.0 77.0,746.0 71.1,259.9 48.2,259.3 48.4,70.2 299.7,18.7 1449.7,33.4 1536.4,97.3 1510.1,628.1 1533.0,647.5 1535.0,746.0 1535.1,1295.5 1544.4,1295.6 1530.8,1866.6 569.3,1822.5 567.7,1900.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1535.0,746.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.466587,32.746979]}},{"type":"Feature","properties":{"resourceCoords":[77.0,746.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.468693,32.749077]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Forney, Texas | 1912 | sanborn08528_004 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:01:57Z","modified":"2026-10-19T13:01:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.5,1912.0 152.1,1912.0 172.8,1873.6 1563.5,1862.2 1581.1,459.0 1529.1,93.1 1439.0,35.9 169.3,56.7 103.0,1.0 73.7,1.0 75.3,72.9 77.0,614.0 86.1,614.0 74.3,1176.3 72.9,1176.2 93.5,1546.0 71.6,1546.2 122.5,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1024.0,614.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.4661425,32.7449238]}},{"type":"Feature","properties":{"resourceCoords":[77.0,614.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.467527,32.7463112]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Forney, Texas | 1912 | sanborn08528_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:01:57Z","modified":"2026-10-19T13:01:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1459.8,1812.6 1489.4,1797.3 1483.8,1337.0 1455.9,1322.5 1489.5,1309.5 1519.0,1308.2 1554.6,224.8 1585.3,224.5 1440.9,65.2 309.7,37.7 52.0,208.3 29.1,430.9 1.0,437.3 1.0,473.9 105.0,892.1 145.2,1057.6 235.4,1488.2 165.1,1507.0 310.4,1802.9 1150.1,1840.9 1150.6,1806.9 1459.8,1812.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[803.0,718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.47345456160528,32.74841637408322]}},{"type":"Feature","properties":{"resourceCoords":[120.0,901.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.4743611771733,32.74730463441756]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Forney, Texas | 1912 | sanborn08528_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:01:57Z","modified":"2026-10-19T13:01:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1492.0,1041.5 1579.7,1221.6 1573.9,1875.6 792.3,1912.0 655.2,1912.0 645.1,1873.4 513.0,1874.0 61.4,1396.2 112.2,469.0 78.1,468.2 86.8,158.2 91.2,132.8 94.5,46.8 556.2,82.9 553.9,139.1 559.8,153.2 571.2,153.3 573.2,142.4 576.0,64.8 1526.0,123.8 1539.7,496.1 1517.6,495.8 1561.8,864.8 1591.0,866.3 1492.0,1041.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1060.0,35.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.46905365800735,32.746404622302165]}},{"type":"Feature","properties":{"resourceCoords":[96.0,35.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.47048641572394,32.74778585838552]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Forney, Texas | 1912 | sanborn08528_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:01:57Z","modified":"2026-10-19T13:01:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.5,1235.9 97.7,794.7 170.6,791.6 92.5,470.3 175.4,492.7 736.5,149.7 763.1,20.2 807.1,33.1 1567.8,64.8 1504.0,157.1 1593.1,960.2 1524.8,1872.8 829.5,1880.8 649.1,1830.0 618.0,1871.2 108.0,1874.5 96.0,1406.6 92.5,1235.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034fm:g4034fm_g085281912:08528_1912-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.4717286,32.7458374]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.4739201,32.7433866]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.4773759,32.7455726]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.4751844,32.7480234]}}]}}]}