{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03334_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Jackson, Louisiana | 1900 | 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":"7"},{"label":"placed","value":"3"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p2__2 (tier 1, 30.84064,-91.21646 +/-124m); p2__3 (tier 1, 30.84060,-91.21614 +/-100m); p2__4 (tier 1, 30.84322,-91.21884 +/-100m); p3 (tier 4, 30.83744,-91.21580 +/-212m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014jm:g033341900:03334_1900-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Louisiana | 1900 | sanborn03334_002 p1","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:49:30Z","modified":"2026-10-19T21:49:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014jm:g033341900:03334_1900-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014jm:g033341900:03334_1900-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"135.7,1431.5 174.1,1587.4 132.7,1792.0 196.2,1870.0 733.6,1881.5 909.2,1832.1 1165.0,1872.9 1544.6,1813.6 1580.6,399.5 1491.8,112.6 1250.3,69.6 1254.0,1.0 623.9,1.0 622.6,42.9 213.8,55.4 129.6,127.2 169.9,385.5 173.9,385.5 175.7,611.5 174.1,1432.2 135.7,1431.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014jm:g033341900:03334_1900-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[700.0,608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.215207,30.83713]}},{"type":"Feature","properties":{"resourceCoords":[173.0,1680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.216694,30.83531]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014jm:g033341900:03334_1900-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Louisiana | 1900 | sanborn03334_002 p2 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.82"},{"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":"3140.0"},{"label":"split_canvas_h","value":"2592.8"}],"created":"2026-10-19T21:49:30Z","modified":"2026-10-19T21:49:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014jm:g033341900:03334_1900-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014jm:g033341900:03334_1900-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"90.7,643.5 492.6,646.1 645.8,647.2 726.0,647.2 759.9,27.1 534.5,25.6 519.9,71.5 394.3,11.1 33.1,23.5 12.4,498.9 33.3,633.8 90.7,643.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014jm:g033341900:03334_1900-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.2151375544007,30.839634007163376]}},{"type":"Feature","properties":{"resourceCoords":[785.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.21343926134955,30.8394079821603]}},{"type":"Feature","properties":{"resourceCoords":[785.0,648.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.21365659273614,30.83820445093102]}},{"type":"Feature","properties":{"resourceCoords":[0.0,648.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.21535488578729,30.838430475934096]}},{"type":"Feature","properties":{"resourceCoords":[178.0,261.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.21484,30.839098]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014jm:g033341900:03334_1900-0002__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Jackson, Louisiana | 1900 | sanborn03334_002 p2 [5]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.84"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3544.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4108.0"}],"created":"2026-10-19T21:49:30Z","modified":"2026-10-19T21:49:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014jm:g033341900:03334_1900-0002__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014jm:g033341900:03334_1900-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1450.4,1912.0 1463.6,1912.0 1488.0,1912.0 1474.7,1108.4 1468.8,887.1 1466.1,887.1 1464.9,887.1 1466.0,893.6 830.9,932.7 785.0,1028.2 785.0,1050.1 785.0,1064.5 784.8,1064.5 751.6,1097.9 60.1,1103.6 67.0,1801.5 223.3,1911.0 1448.7,1905.6 1450.4,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014jm:g033341900:03334_1900-0002__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[953.0,1115.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.21747,30.837431]}},{"type":"Feature","properties":{"resourceCoords":[438.0,1656.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.218798,30.836588]}}]}}]}