{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08743_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"San Diego, Texas | 1922 | 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":"6"},{"label":"placed","value":"4"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 3, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 27.76269,-98.24013 +/-440m); p1__2 (tier 4, 27.76269,-98.24013 +/-440m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"San Diego, Texas | 1922 | sanborn08743_002 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.59"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:37:10Z","modified":"2026-10-18T08:37:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"80.1,1241.1 75.0,1241.0 66.3,708.9 69.8,708.9 30.9,143.0 316.0,143.0 1379.0,143.0 1379.0,146.9 1612.0,173.4 1612.0,200.1 1577.1,203.6 1594.4,1778.4 1512.1,1895.8 1325.0,1841.7 350.1,1807.9 153.9,1851.4 152.8,1771.7 69.6,1771.7 80.1,1241.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[316.0,143.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.2381491,27.7629078]}},{"type":"Feature","properties":{"resourceCoords":[1379.0,143.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.2360668,27.7623685]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"San Diego, Texas | 1922 | sanborn08743_002 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.38"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:37:10Z","modified":"2026-10-18T08:37:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"163.2,1701.1 164.1,75.5 1248.3,69.2 1493.2,68.8 1531.0,634.5 1527.5,634.5 1535.0,1166.5 1540.1,1166.5 1528.3,1697.0 1612.0,1697.0 1612.0,1776.8 1589.8,1781.8 1564.4,1882.5 1262.1,1893.0 725.5,1878.8 545.6,1799.2 153.5,1797.2 119.8,1770.0 201.5,1701.0 163.2,1701.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.24157561113049,27.763928849508254]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.23843521068117,27.76311103932046]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.23952361859989,27.759792040793176]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.2426640190492,27.76060985098097]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"San Diego, Texas | 1922 | sanborn08743_002 p4 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.49"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3690.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3961.6"}],"created":"2026-10-18T08:37:10Z","modified":"2026-10-18T08:37:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1535.8,922.6 1533.7,922.6 1533.6,947.9 136.3,952.7 141.1,982.5 99.4,986.6 45.3,1177.5 57.2,1489.4 88.2,1542.8 59.0,1617.3 85.2,1843.5 160.8,1903.4 1487.1,1895.7 1507.1,1912.0 1520.6,1912.0 1524.9,1912.0 1557.0,1885.0 1537.9,1885.0 1540.0,1070.5 1540.5,922.6 1535.8,922.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[968.0,1070.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.2435377,27.7642847]}},{"type":"Feature","properties":{"resourceCoords":[396.0,1070.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.245776,27.7648548]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"San Diego, Texas | 1922 | sanborn08743_002 p4 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.52"},{"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":"3690.4"}],"created":"2026-10-18T08:37:10Z","modified":"2026-10-18T08:37:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"830.1,884.2 1362.4,887.0 1362.4,889.0 1479.0,902.9 1479.5,916.2 1563.7,908.0 1581.5,821.2 1562.2,130.6 1538.0,59.7 1376.2,24.5 65.6,27.1 21.5,90.3 19.3,734.6 26.1,734.6 25.6,882.4 565.5,882.9 830.1,884.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087431922:08743_1922-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[830.0,599.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.2378296,27.7638947]}},{"type":"Feature","properties":{"resourceCoords":[830.0,312.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.2375069,27.7648897]}}]}}]}