{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08724_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Rockwall, Texas | 1905 | 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":"10"},{"label":"placed","value":"3"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 32.93079,-96.45762 +/-241m); p1__2 (tier 4, 32.93079,-96.45762 +/-241m); p1__4 (tier 4, 32.93079,-96.45762 +/-241m); p1__5 (tier 4, 32.93079,-96.45762 +/-241m); p2__2 (tier 2, 32.93103,-96.45887 +/-100m); p2__3 (tier 2, 32.93103,-96.45887 +/-100m); p3__2 (tier 2, 32.93088,-96.45729 +/-112m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087241905:08724_1905-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockwall, Texas | 1905 | sanborn08724_002 p1 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.42"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2450.0"},{"label":"split_canvas_w","value":"3010.0"},{"label":"split_canvas_h","value":"3670.0"}],"created":"2026-10-19T03:48:23Z","modified":"2026-10-19T03:48:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087241905:08724_1905-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087241905:08724_1905-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"252.2,1526.9 252.1,1519.9 588.6,1477.8 604.8,1178.6 737.7,909.1 702.3,690.0 563.6,660.0 527.0,659.9 468.2,725.2 322.1,724.5 287.0,612.5 230.8,612.5 101.6,853.0 96.1,942.3 96.1,1318.1 26.6,1319.0 169.3,1526.4 174.3,1526.4 187.4,1526.5 212.8,1526.7 252.2,1526.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087241905:08724_1905-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[96.1,942.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.4560106,32.9310174]}},{"type":"Feature","properties":{"resourceCoords":[96.1,1318.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.4560063,32.930323]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087241905:08724_1905-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockwall, Texas | 1905 | sanborn08724_002 p2 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"22"},{"label":"confidence","value":"0.86"},{"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":"2026-10-19T03:48:23Z","modified":"2026-10-19T03:48:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087241905:08724_1905-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087241905:08724_1905-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1532.8,53.1 1447.8,35.2 477.8,21.5 54.8,99.8 23.6,816.5 119.7,1471.8 266.4,1537.1 427.8,1546.0 695.5,1546.0 695.5,1556.3 695.5,1560.8 954.9,1575.0 966.5,1751.0 1163.3,1753.8 1204.8,1803.5 1233.5,1761.8 1486.1,1800.5 1612.0,1786.0 1612.0,1772.0 1612.0,1756.5 1512.9,1724.2 1484.8,1700.8 1465.9,1647.9 1468.1,1512.8 1478.8,1176.5 1490.7,1049.8 1494.7,798.9 1495.2,447.1 1507.3,444.4 1532.8,53.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087241905:08724_1905-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1116.0,794.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.4594967,32.9310634]}},{"type":"Feature","properties":{"resourceCoords":[745.0,794.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.4603448,32.9310533]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087241905:08724_1905-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockwall, Texas | 1905 | sanborn08724_002 p3 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.87"},{"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":"2026-10-19T03:48:23Z","modified":"2026-10-19T03:48:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087241905:08724_1905-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087241905:08724_1905-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"343.8,1831.7 598.9,1796.1 1511.9,1865.0 1575.2,1829.0 1525.2,1772.9 1514.8,1419.2 1434.5,1419.8 1293.5,1221.0 1360.7,1219.1 1355.2,855.1 1359.2,768.5 1480.7,533.7 1535.1,532.9 1342.6,466.3 783.9,464.6 717.5,182.4 222.3,90.8 206.1,485.0 194.0,488.0 202.0,841.8 204.0,1094.3 195.2,1221.9 192.4,1560.4 193.5,1696.3 213.8,1749.1 242.6,1772.0 343.1,1802.0 343.8,1831.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087241905:08724_1905-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[998.0,856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.4568223,32.9310224]}},{"type":"Feature","properties":{"resourceCoords":[194.0,488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.4586412,32.9317393]}}]}}]}