Editing Jackson County, South Dakota (section)

==Geography==
The terrain of Jackson County consists of mountains rising from rolling hills. The ground is arid and carved with drainages. The [[White River (Missouri River tributary)|White River]] flows eastward, cutting a meandering channel through the central part.<ref name="JCSD">{{Cite web |title=Jackson County · South Dakota |url=https://www.google.com/maps/place/Jackson+County,+SD/@43.9258099,-101.692927,107272m/data=!3m1!1e3!4m5!3m4!1s0x877c4ced3f8e82ab:0x81845bff37fde192!8m2!3d43.6648065!4d-101.5248055 |access-date=2024-04-27 |website=Google Maps |language=en}}</ref> The terrain generally slopes to the NE; its highest point is a ridge near the SW corner, at {{convert|3,274|ft|m|abbr=on}} ASL.<ref>{{Cite web |url=https://www.daftlogic.com/sandbox-google-maps-find-altitude.htm |title="Find an Altitude"  Google Maps (accessed February 4, 2019) |access-date=February 4, 2019 |archive-url=https://web.archive.org/web/20190521043409/https://www.daftlogic.com/sandbox-google-maps-find-altitude.htm |archive-date=May 21, 2019 |url-status=dead}}</ref>

Jackson County has a total area of {{convert|1871|sqmi}}, of which {{convert|1864|sqmi}} is land and {{convert|7.4|sqmi}} (0.4%) is water.<ref>{{cite web|url=http://www2.census.gov/geo/docs/maps-data/data/gazetteer/counties_list_46.txt|publisher=United States Census Bureau|access-date=March 26, 2015|date=August 22, 2012|title=2010 Census Gazetteer Files}}</ref> About 57 percent of its land, the portion south of White River, is on the [[Pine Ridge Indian Reservation]]. The county includes the easternmost portion of [[Badlands National Park]]. [[File:Badlands National Park - Interior, SD.jpg|thumb|Badlands National Park near Interior]]

South Dakota's eastern counties (48 of 66) observe [[Central Time Zone|Central Time]]; the western counties (18 of 66) observe [[Mountain Time Zone|Mountain Time]]. Jackson County is the easternmost of the state's counties to observe Mountain Time.<ref>[http://www.timebie.com/us/south_dakota.php Map of Time Zone Line through South Dakota (accessed January 30, 2019)]</ref>

===Major highways===
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* [[Image:I-90.svg|20px]] [[Interstate 90 in South Dakota|Interstate 90]]
* [[Image:US 14.svg|20px]] [[U.S. Route 14 in South Dakota|U.S. Highway 14]]
* [[Image:SD 44.svg|20px]] [[South Dakota Highway 44]]
* [[Image:SD 63.svg|20px]] [[South Dakota Highway 63]]
* [[Image:SD 73.svg|20px]] [[South Dakota Highway 73]]
* [[Image:SD 377.svg|23px]] [[South Dakota Highway 377]]
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===Adjacent counties===
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* [[Haakon County, South Dakota|Haakon County]] - north
* [[Jones County, South Dakota|Jones County]] - northeast (observes [[Central Time Zone|Central Time]])
* [[Mellette County, South Dakota|Mellette County]] - east (observes Central Time)
* [[Todd County, South Dakota|Todd County]]<ref name=JCSD/> - southeast (observes Central Time)
* [[Bennett County, South Dakota|Bennett County]] - south
* [[Oglala Lakota County, South Dakota|Oglala Lakota County]] - southwest
* [[Pennington County, South Dakota|Pennington County]] - northwest
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===Lakes===
Source:<ref name=JCSD/>

* Kadoka Lake
* Wanblee Lake

===National protected areas===
* [[Badlands National Park]] (part)
* [[Buffalo Gap National Grassland]] (part)
* [[Minuteman Missile National Historic Site]] (part)