{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08198_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Aberdeen, South-Dakota | 1892 | 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":"13"},{"label":"placed","value":"5"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef-snap 4, georef 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p2 (tier 2, 45.46460,-98.48821 +/-122m); p6__2 (tier 1, 45.46787,-98.48681 +/-217m); p7__1 (tier 1, 45.46523,-98.48564 +/-100m); p7__3 (tier 1, 45.46502,-98.48776 +/-105m); p7__4 (tier 1, 45.46666,-98.46952 +/-100m); p7__5 (tier 3, 45.46348,-98.48096 +/-1080m); p7__6 (tier 3, 45.46348,-98.48096 +/-1080m); p7__7 (tier 3, 45.46348,-98.48096 +/-1080m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1892 | sanborn08198_003 p3","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.52"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:19:03Z","modified":"2026-10-18T22:19:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"377.4,168.7 564.7,171.1 843.6,168.7 1557.5,170.1 1624.9,668.7 1569.4,1720.4 1627.0,1723.7 1627.0,1760.5 1130.6,1763.4 609.8,1759.5 608.3,1924.7 567.4,1835.8 77.4,1840.2 50.5,262.0 89.7,171.9 377.4,168.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48828993434229,45.465445348060314]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48388075958641,45.465462263662296]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.483852183952,45.4618054442211]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48826135870787,45.46178852861912]}},{"type":"Feature","properties":{"resourceCoords":[82.0,172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4880653,45.4651198]}},{"type":"Feature","properties":{"resourceCoords":[82.0,172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4880653,45.4651198]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1892 | sanborn08198_003 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.15"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:19:03Z","modified":"2026-10-18T22:19:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.9,93.0 663.7,55.3 1503.8,124.4 1477.3,791.1 1534.8,977.3 1507.6,1385.9 1573.0,1822.9 1430.8,1866.3 1188.6,1802.6 71.1,1813.1 117.7,752.2 65.9,93.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.49270750996489,45.46698281059869]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.49269427161249,45.47006815493858]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48752321895948,45.470057088363205]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48753645731188,45.46697174402331]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1892 | sanborn08198_003 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:19:03Z","modified":"2026-10-18T22:19:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.4,367.8 111.5,281.3 103.0,263.1 103.3,95.8 631.5,96.2 1134.8,89.9 1135.5,52.6 1508.2,70.8 1558.7,149.9 1568.0,1863.7 869.6,1900.5 614.4,1858.3 101.6,1743.7 77.1,1719.5 68.4,367.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[633.0,629.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.48519944157108,45.46111254816137]}},{"type":"Feature","properties":{"resourceCoords":[113.0,629.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.48658834545897,45.461113751828954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1892 | sanborn08198_003 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.62"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5316.4"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"2391.6"}],"created":"2026-10-18T22:19:03Z","modified":"2026-10-18T22:19:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1225.7,1366.2 1200.9,1342.5 1201.4,1373.0 162.6,1392.0 89.2,1922.9 1546.8,1920.8 1519.7,1441.1 1225.7,1366.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1329.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48988844029553,45.45912159646839]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1329.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48554904354869,45.459086923731995]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48556707377529,45.457960997704205]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48990647052213,45.4579956704406]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1892 | sanborn08198_003 p7 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.68"},{"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":"3321.6"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-18T22:19:03Z","modified":"2026-10-18T22:19:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"757.1,1727.8 748.9,1435.1 748.1,1244.5 741.1,960.8 730.4,234.2 723.8,235.2 700.5,83.7 477.9,79.0 391.1,665.4 132.7,675.5 42.7,972.9 34.3,1500.7 138.3,1810.3 583.5,1805.3 719.6,1782.1 757.1,1727.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981892:08198_1892-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48342408710407,45.466505805382056]}},{"type":"Feature","properties":{"resourceCoords":[830.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48344891454686,45.464945828915276]}},{"type":"Feature","properties":{"resourceCoords":[830.4,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48857655649309,45.46498654252316]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.4885517290503,45.46654651898994]}}]}}]}