Editing Mellette County, South Dakota (section)

==Geography==
The [[White River (Missouri River tributary)|White River]] flows eastward along the north boundary line of Mellette County. The [[Little White River (South Dakota)|Little White River]] flows northward through central Mellette County, discharging into White River. The terrain consists of semi-arid rolling hills, the northern portion dotted with ponds and small lakes. The area is mostly devoted to agriculture.<ref name=MCSD>[https://www.google.com/maps/place/Mellette+County,+SD/@43.642496,-100.9881876,85227m/data=!3m1!1e3!4m5!3m4!1s0x877f7a91324218cb:0xef7b0ca79155d738!8m2!3d43.5169738!4d-100.7097867 ''Mellette County SD''  Google Maps (accessed February 7, 2019)]</ref> The terrain slopes to the northeast; its highest point is the SW corner at {{convert|2,779|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 7, 2019) |access-date=February 7, 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> The county has a total area of {{convert|1311|sqmi}}, of which {{convert|1307|sqmi}} is land and {{convert|3.6|sqmi}} (0.3%) 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 28, 2015|date=August 22, 2012|title=2010 Census Gazetteer Files}}</ref>

The eastern portion of South Dakota's counties (48 of 66) observe [[Central Time Zone|Central Time]]; the western counties (18 of 66) observe [[Mountain Time Zone|Mountain Time]]. Mellette County is the westernmost of the SD counties to observe Central 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:US 83.svg|20px]] [[U.S. Route 83 in South Dakota|U.S. Highway 83]]
* [[Image:SD 44.svg|20px]] [[South Dakota Highway 44]]
* [[Image:SD 53.svg|20px]] [[South Dakota Highway 53]]
* [[Image:SD 63.svg|20px]] [[South Dakota Highway 63]]
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===Adjacent counties===
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* [[Jones County, South Dakota|Jones County]] - north
* [[Lyman County, South Dakota|Lyman County]] - northeast
* [[Tripp County, South Dakota|Tripp County]] - east
* [[Todd County, South Dakota|Todd County]] - south
* [[Bennett County, South Dakota|Bennett County]] - southwest (observes [[Mountain Time Zone|Mountain Time]])
* [[Jackson County, South Dakota|Jackson County]] - west (observes Mountain Time)
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