{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05212_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mccook, Nebraska | 1921 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"25"},{"label":"placed","value":"16"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef 16"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p1 (tier 4, 40.20342,-100.62534 +/-1316m); p13 (tier 2, 40.19982,-100.62538 +/-168m); p16__2 (tier 3, 40.23092,-100.63543 +/-561m); p16__3 (tier 3, 40.23092,-100.63543 +/-561m); p17__2 (tier 3, 40.22209,-100.61530 +/-561m); p17__3 (tier 3, 40.22209,-100.61530 +/-561m); p2__1 (tier 2, 40.20552,-100.62306 +/-649m); p3__3 (tier 2, 40.20689,-100.62619 +/-249m); p3__4 (tier 1, 40.24207,-100.62936 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p10","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,669.5 110.8,669.9 111.8,110.1 1489.3,113.6 1485.0,1786.7 540.3,1783.6 540.5,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[350.0,1227.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6243968,40.2016369]}},{"type":"Feature","properties":{"resourceCoords":[919.0,114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6229679,40.203642]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p11","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"125.9,1783.2 135.0,122.0 1602.8,130.7 1613.0,1237.7 1529.0,1237.7 1527.3,1787.2 125.9,1783.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[695.0,678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6202867,40.2025699]}},{"type":"Feature","properties":{"resourceCoords":[135.0,122.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6216044,40.2036159]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p12","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,18.3 1613.0,24.3 1613.0,1913.0 -0.0,1913.0 -0.0,18.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[925.0,1124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6287267,40.1986804]}},{"type":"Feature","properties":{"resourceCoords":[925.0,572.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6286936,40.1996964]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p14","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1709.3 1613.0,1913.0 -0.0,1913.0 -0.0,25.2 1507.7,31.3 1505.7,1705.6 1613.0,1709.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[936.0,1134.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6217925,40.1985372]}},{"type":"Feature","properties":{"resourceCoords":[372.0,1134.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6231469,40.1985621]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p15","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.5,1678.7 121.0,9.5 1613.0,0.0 1613.0,1913.0 -0.0,1913.0 -0.0,1885.7 229.9,1885.2 229.5,1682.2 122.5,1678.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[120.0,1113.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6204278,40.1985044]}},{"type":"Feature","properties":{"resourceCoords":[120.0,560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6203929,40.1995216]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p16 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"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":"5441.2"}],"created":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 -0.0,-0.0 0.0,1356.6 568.5,1360.3 566.3,1217.9 1613.0,1217.2 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[386.0,960.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.637922,40.197844]}},{"type":"Feature","properties":{"resourceCoords":[948.0,960.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.636563,40.197803]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0017__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p17 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"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":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0017__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1427.7,0.0 1327.7,0.0 -0.0,0.0 0.0,1455.4 502.8,1455.0 920.6,1454.6 920.1,1913.0 1613.0,1913.0 1613.0,-0.0 1427.7,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0017__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[552.0,660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.628551,40.215342]}},{"type":"Feature","properties":{"resourceCoords":[552.0,1212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.629898,40.215331]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p2 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"4111.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2340.8"},{"label":"split_canvas_h","value":"2816.0"}],"created":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,629.0 1613.0,-0.0 1112.1,-0.0 1112.3,75.6 1031.4,75.9 1030.7,191.8 1041.7,629.6 1613.0,629.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1326.4,630.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6176295,40.2004802]}},{"type":"Feature","properties":{"resourceCoords":[1326.4,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6175949,40.201493]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p3 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"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":"2226.4"}],"created":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"55.5,412.9 56.1,528.8 1573.9,531.0 1580.0,5.3 -0.0,-0.0 -0.0,412.5 55.5,412.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[558.0,531.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6284423,40.2068007]}},{"type":"Feature","properties":{"resourceCoords":[1074.0,531.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6270451,40.206778]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p3 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2220.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2306.8"}],"created":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,555.1 0.0,556.6 -0.0,1007.9 53.2,1008.0 53.1,1097.4 1592.5,1101.4 1613.0,555.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1074.0,1101.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6228602,40.206689]}},{"type":"Feature","properties":{"resourceCoords":[1074.0,596.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6228245,40.2077047]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 939.3,0.0 940.8,130.6 1506.0,130.0 1506.0,1788.0 5.0,1788.8 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1506.0,1788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6285538,40.2037565]}},{"type":"Feature","properties":{"resourceCoords":[1506.0,130.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6284423,40.2068007]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p5","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"2"}],"created":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1486.4,1767.7 70.0,1772.0 70.0,106.0 1219.4,97.7 1219.1,0.0 1281.3,0.0 1281.3,98.3 1482.3,98.9 1486.4,1767.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[70.0,1772.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6285538,40.2037565]}},{"type":"Feature","properties":{"resourceCoords":[70.0,106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6284423,40.2068007]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p6","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1483.8,1789.7 -0.0,1786.0 -0.0,121.8 1486.0,127.3 1483.8,1789.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[918.0,1234.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.622928,40.2046606]}},{"type":"Feature","properties":{"resourceCoords":[918.0,127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6228602,40.206689]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p7","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"142.1,1776.7 140.9,0.0 1613.0,0.0 1613.0,1778.0 142.1,1776.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[141.0,1226.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6215702,40.2046262]}},{"type":"Feature","properties":{"resourceCoords":[706.0,1780.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6202499,40.2035809]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p8","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"572.5,1913.0 -0.0,1913.0 -0.0,131.9 1502.1,134.6 1501.3,1795.0 572.4,1792.6 572.5,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[370.0,1792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6313762,40.2007686]}},{"type":"Feature","properties":{"resourceCoords":[1505.0,1240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.628615,40.201728]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccook, Nebraska | 1921 | sanborn05212_004 p9","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"}],"created":"2026-09-22T22:01:53Z","modified":"2026-09-22T22:01:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"91.5,1792.9 89.0,130.0 1613.0,125.7 1613.0,683.5 1566.7,683.4 1502.6,683.2 1504.9,1913.0 782.0,1913.0 781.6,1793.9 91.5,1792.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052121921:05212_1921-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[673.0,684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6271895,40.2027119]}},{"type":"Feature","properties":{"resourceCoords":[89.0,130.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.6285538,40.2037565]}}]}}]}