{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08439_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Brady, Texas | 1916 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"17"},{"label":"placed","value":"4"},{"label":"unplaced","value":"13"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"4 sheet(s) cut into 17 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 31.13333,-99.33480 +/-207m); p1__3 (tier 4, 31.13333,-99.33480 +/-207m); p1__4 (tier 4, 31.13333,-99.33480 +/-207m); p2__1 (tier 2, 31.13475,-99.33482 +/-100m); p2__3 (tier 2, 31.13475,-99.33482 +/-100m); p3__2 (tier 2, 31.13454,-99.33478 +/-100m); p4__1 (tier 4, 31.13333,-99.33480 +/-207m); p4__2 (tier 4, 31.13333,-99.33480 +/-207m); p4__3 (tier 4, 31.13333,-99.33480 +/-207m); p4__4 (tier 4, 31.13333,-99.33480 +/-207m); p4__5 (tier 4, 31.13333,-99.33480 +/-207m); p4__6 (tier 4, 31.13333,-99.33480 +/-207m); p4__7 (tier 4, 31.13333,-99.33480 +/-207m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brady, Texas | 1916 | sanborn08439_002 p1 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.10"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3816.0"},{"label":"split_canvas_w","value":"3276.0"},{"label":"split_canvas_h","value":"3836.0"}],"created":"2026-10-22T13:18:19Z","modified":"2026-10-22T13:18:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,980.0 1.0,980.3 36.9,991.0 42.9,1894.1 785.4,1898.2 801.3,1079.0 794.0,980.0 181.1,980.0 1.0,980.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[794.0,1779.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.3332484,31.1315511]}},{"type":"Feature","properties":{"resourceCoords":[794.0,980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.3332236,31.1329593]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brady, Texas | 1916 | sanborn08439_002 p2 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2402.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4050.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-22T13:18:19Z","modified":"2026-10-22T13:18:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1498.0,91.6 1236.0,40.7 762.6,77.6 640.7,503.7 695.6,1185.3 657.1,1451.8 658.9,1552.4 639.1,1653.3 662.9,1782.2 1009.0,1862.5 1504.3,1847.6 1504.3,1835.3 1503.8,880.5 1545.7,880.5 1537.1,467.2 1503.7,467.2 1498.0,91.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1098.2,1280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.3358097,31.1340372]}},{"type":"Feature","properties":{"resourceCoords":[1504.0,1280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.3349192,31.134024]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0002__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brady, Texas | 1916 | sanborn08439_002 p2 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.39"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5735.6"},{"label":"split_canvas_w","value":"1493.6"},{"label":"split_canvas_h","value":"1916.4"}],"created":"2026-10-22T13:18:19Z","modified":"2026-10-22T13:18:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0002__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"350.8,1898.3 341.9,1784.0 277.8,1813.6 274.4,1592.1 59.0,1566.7 36.3,1488.5 14.8,1488.8 21.1,1903.2 350.8,1898.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0002__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[336.4,1472.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.3358404,31.132293]}},{"type":"Feature","properties":{"resourceCoords":[336.4,1848.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.3358529,31.1315847]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brady, Texas | 1916 | sanborn08439_002 p3 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"24"},{"label":"confidence","value":"0.92"},{"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":"2026-10-22T13:18:19Z","modified":"2026-10-22T13:18:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"49.9,80.4 47.2,451.9 80.2,452.6 79.6,861.4 38.1,860.4 17.4,1804.3 222.1,1808.5 790.9,1820.0 798.3,1848.0 1523.0,1837.6 1551.6,1795.1 1488.8,1588.8 1524.4,1560.5 1311.2,1566.5 1310.2,1560.6 1308.4,1560.6 1308.3,1549.8 1297.5,1488.3 1306.9,1373.0 1306.4,1306.0 1312.4,1305.9 1312.6,1303.7 1578.1,1298.2 1589.6,1286.0 1581.0,225.3 1482.5,54.3 1290.2,138.5 921.0,108.2 956.7,65.8 772.2,29.3 111.5,33.0 49.9,80.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084391916:08439_1916-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[810.0,875.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.333192,31.1347539]}},{"type":"Feature","properties":{"resourceCoords":[1194.0,1278.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.3323355,31.1339924]}}]}}]}