{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08253_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Parker, South-Dakota | 1911 | 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":"10"},{"label":"placed","value":"5"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 5"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p1__1 (tier 2, 43.39779,-97.13669 +/-100m); p1__3 (tier 2, 43.39779,-97.13669 +/-100m); p1__5 (tier 2, 43.39779,-97.13669 +/-100m); p1__7 (tier 2, 43.39779,-97.13669 +/-100m); p2__2 (tier 2, 43.39763,-97.13662 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parker, South-Dakota | 1911 | sanborn08253_005 p1 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.70"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2152.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"804.0"},{"label":"split_canvas_h","value":"906.0"}],"created":"2026-10-18T07:23:29Z","modified":"2026-10-18T07:23:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"553.4,45.0 549.5,206.8 675.6,225.5 686.1,225.5 728.6,41.0 629.5,26.1 643.3,67.5 605.7,85.3 553.4,45.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[538.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.14119543873304,43.40007784320468]}},{"type":"Feature","properties":{"resourceCoords":[739.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.14066371243868,43.4000536158444]}},{"type":"Feature","properties":{"resourceCoords":[739.0,226.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.14070115035696,43.39961859776543]}},{"type":"Feature","properties":{"resourceCoords":[538.0,226.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.14123287665132,43.39964282512571]}},{"type":"Feature","properties":{"resourceCoords":[702.0,186.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1407924,43.3997001]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parker, South-Dakota | 1911 | sanborn08253_005 p1 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.75"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3704.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1048.0"},{"label":"split_canvas_h","value":"906.0"}],"created":"2026-10-18T07:23:29Z","modified":"2026-10-18T07:23:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1177.5,203.8 1174.6,35.6 957.3,25.3 978.6,197.4 988.0,220.6 1177.5,203.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[926.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.13259217898094,43.39798883001132]}},{"type":"Feature","properties":{"resourceCoords":[1188.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.13189782708741,43.397980185235554]}},{"type":"Feature","properties":{"resourceCoords":[1188.0,226.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.13190807544082,43.397544378880056]}},{"type":"Feature","properties":{"resourceCoords":[926.0,226.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.13260242733435,43.397553023655824]}},{"type":"Feature","properties":{"resourceCoords":[988.0,197.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1324368,43.3976069]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0001__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parker, South-Dakota | 1911 | sanborn08253_005 p1 [6]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"},{"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":"906.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"6802.0"}],"created":"2026-10-18T07:23:29Z","modified":"2026-10-18T07:23:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0001__6/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"29.6,1853.9 769.0,1852.1 1605.5,1849.1 1599.0,845.6 1491.1,762.9 1342.5,766.0 1316.2,525.9 1348.0,520.4 1347.8,483.6 1347.8,483.0 1347.8,482.9 1421.5,482.9 1561.5,482.9 1591.3,477.7 1573.5,301.1 460.6,239.4 411.8,275.9 407.5,477.2 407.5,478.0 407.4,478.0 401.9,481.4 63.1,530.9 53.6,618.0 22.9,637.9 29.6,1853.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0001__6/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[769.0,1341.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1365893,43.3986331]}},{"type":"Feature","properties":{"resourceCoords":[769.0,559.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1365464,43.400123]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parker, South-Dakota | 1911 | sanborn08253_005 p2 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"11"},{"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":"6512.0"},{"label":"split_canvas_h","value":"7006.0"}],"created":"2026-10-18T07:23:29Z","modified":"2026-10-18T07:23:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"231.4,1194.5 225.0,1292.3 225.0,1357.6 225.0,1358.0 220.7,1358.0 220.5,1360.8 61.2,1356.7 103.8,1418.2 88.0,1702.1 399.6,1710.5 784.3,1544.8 794.5,1544.7 794.9,1544.5 1017.8,1544.5 1021.0,1544.5 1077.9,1561.3 1128.3,1576.1 1423.2,1602.3 1587.0,1537.7 1582.8,118.0 765.0,118.0 42.2,117.1 44.4,1183.6 225.0,1187.0 231.4,1194.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[765.0,118.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1366173,43.3976594]}},{"type":"Feature","properties":{"resourceCoords":[1297.0,118.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1351902,43.3976414]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0002__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parker, South-Dakota | 1911 | sanborn08253_005 p2 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.43"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6180.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"1528.0"}],"created":"2026-10-18T07:23:29Z","modified":"2026-10-18T07:23:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"158.3,1829.5 167.8,1921.1 1517.9,1924.4 1600.5,1818.2 1627.0,1825.8 1627.0,1775.9 1585.9,1776.4 1549.5,1664.8 1178.9,1676.7 1115.1,1614.5 757.7,1563.1 319.4,1751.0 307.8,1751.1 306.9,1751.5 280.0,1751.5 172.6,1752.9 158.3,1829.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184pm:g082531911:08253_1911-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1545.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.14168196807294,43.39639753142086]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1545.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.14162540334438,43.399537069618134]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.14061296648899,43.399527412190615]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.14066953121755,43.39638787399334]}},{"type":"Feature","properties":{"resourceCoords":[688.0,1862.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1408179,43.3977163]}}]}}]}