{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08274_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Webster, South-Dakota | 1898 | 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":"7"},{"label":"placed","value":"1"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"snap:0 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 45.33418,-97.52057 +/-100m); p1__2 (tier 4, 45.33418,-97.52057 +/-100m); p1__4 (tier 1, 45.33072,-97.51539 +/-318m); p1__5 (tier 4, 45.33418,-97.52057 +/-100m); p2 (tier 1, 45.33273,-97.51854 +/-778m); p3 (tier 4, 45.33418,-97.52057 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082741898:08274_1898-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Webster, South-Dakota | 1898 | sanborn08274_003 p1 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.13"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3316.4"},{"label":"split_canvas_w","value":"3828.8"},{"label":"split_canvas_h","value":"4391.6"}],"created":"2026-10-22T14:00:55Z","modified":"2026-10-22T14:00:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082741898:08274_1898-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082741898:08274_1898-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"46.0,864.3 22.4,1035.9 16.7,1610.0 43.3,1882.7 345.2,1912.7 915.9,1881.5 923.6,1837.3 948.0,1827.8 947.1,1177.5 831.9,1175.7 827.7,1175.7 827.7,1175.4 822.9,1168.9 801.7,844.8 104.7,840.4 46.0,864.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082741898:08274_1898-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,829.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.52482250197242,45.33150490242613]}},{"type":"Feature","properties":{"resourceCoords":[957.2,829.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.52489603210327,45.336802686374234]}},{"type":"Feature","properties":{"resourceCoords":[957.2,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.51631067243997,45.336862414913405]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.51623714230912,45.3315646309653]}}]}}]}