{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08618_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Liberty, Texas | 1938 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"9"},{"label":"placed","value":"4"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 2, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 30.11633,-94.64303 +/-292m); p1__3 (tier 4, 30.06056,-94.79589 +/-430m); p3__2 (tier 1, 30.05789,-94.79413 +/-105m); p5__1 (tier 1, 30.05871,-94.80533 +/-238m); p5__2 (tier 2, 30.05809,-94.80040 +/-386m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Liberty, Texas | 1938 | sanborn08618_002 p1 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3060.0"},{"label":"split_canvas_y","value":"4078.4"},{"label":"split_canvas_w","value":"3392.0"},{"label":"split_canvas_h","value":"3573.6"}],"created":"2026-10-18T15:13:40Z","modified":"2026-10-18T15:13:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"903.3,1020.5 891.9,1020.5 873.2,1210.9 904.5,1211.5 893.5,1505.6 896.6,1799.2 1472.0,1800.9 1473.8,1506.0 1468.2,1203.4 1542.2,1202.3 1579.9,1147.4 1575.2,1062.0 1539.2,1039.5 1327.4,1075.4 1214.7,1073.2 1146.2,1035.5 905.5,1063.6 903.3,1020.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1186.0,1800.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.7958883,30.0608725]}},{"type":"Feature","properties":{"resourceCoords":[1186.0,1206.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.7959373,30.063074]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Liberty, Texas | 1938 | sanborn08618_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T15:13:40Z","modified":"2026-10-18T15:13:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"222.5,1277.7 232.1,700.4 228.2,118.6 1392.6,127.0 1390.9,697.5 1379.0,1042.7 1384.4,1287.8 1373.1,1912.0 1308.5,1912.0 1304.6,1814.4 1089.7,1868.3 250.3,1841.1 216.7,1885.8 222.5,1277.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[247.0,702.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.79705842272962,30.05978762078874]}},{"type":"Feature","properties":{"resourceCoords":[1387.0,125.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.79467572779573,30.060893221240104]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Liberty, Texas | 1938 | sanborn08618_002 p3 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.94"},{"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":"2026-10-18T15:13:40Z","modified":"2026-10-18T15:13:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"60.8,696.8 61.1,981.4 55.9,1153.5 59.0,1275.8 54.7,1587.2 22.5,1587.8 35.6,1884.3 965.4,1876.7 1028.6,1841.2 1043.4,1459.3 1154.7,1402.7 1163.6,1322.0 1295.9,1324.6 1327.4,1402.4 1558.9,1403.2 1582.0,595.3 1556.5,392.7 1575.0,202.0 1540.5,83.7 1486.0,53.2 1327.6,72.2 1027.4,14.9 380.7,17.0 170.6,49.7 169.9,36.6 131.8,92.2 57.1,93.2 62.8,398.9 60.8,696.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[359.0,983.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.7933751,30.0598606]}},{"type":"Feature","properties":{"resourceCoords":[359.0,89.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.793449,30.0631426]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Liberty, Texas | 1938 | sanborn08618_002 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T15:13:40Z","modified":"2026-10-18T15:13:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1563.0,166.9 1543.8,360.6 1575.6,361.4 1564.2,660.7 1567.2,959.6 1570.2,1251.9 1566.5,1542.0 1564.7,1847.7 1543.4,1876.2 1195.7,1858.2 991.4,1894.8 673.1,1888.4 551.5,1856.3 402.9,1883.0 77.7,1850.6 33.4,735.3 69.5,413.9 40.5,198.6 74.3,173.3 76.3,69.7 268.0,114.2 926.4,145.9 1227.7,74.2 1411.7,129.8 1545.0,132.4 1571.5,103.3 1574.6,167.0 1563.0,166.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086181938:08618_1938-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[683.0,954.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.80085013055896,30.060810733002295]}},{"type":"Feature","properties":{"resourceCoords":[683.0,1537.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.80080100614217,30.058686563553206]}}]}}]}