Editing Gregory County, South Dakota (section)

==Geography==
Gregory County lies on the south line of South Dakota. Its south boundary line abuts the north boundary line of [[Nebraska]]. The [[Missouri River]] flows southeastward along its east boundary line. The county terrain consists of rolling hills, sloping to the southeast. The eastern part of the county is etched with gullies and drainages, flowing to the river basin.<ref name=GCSD>[https://www.google.com/maps/place/Gregory+County,+SD/@43.2489968,-99.2969096,90205m/data=!3m2!1e3!4b1!4m5!3m4!1s0x87843b8732006afd:0xb78b324b261ec0db!8m2!3d43.1983133!4d-99.1013498 ''Gregory County SD''  Google Maps (accessed February 3, 2019)]</ref> The county's highest point is in the SW corner, at {{convert|2,247|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 3, 2019) |access-date=February 3, 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>

Gregory County has a total area of {{convert|1054|sqmi}}, of which {{convert|1015|sqmi}} is land and {{convert|39|sqmi}} (3.7%) 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>

===Major highways===
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* [[Image:US 18.svg|20px]] [[U.S. Route 18 in South Dakota|U.S. Highway 18]]
* [[Image:US 281.svg|23px]] [[U.S. Route 281#South Dakota|U.S. Highway 281]]
* [[Image:SD 43.svg|20px]] [[South Dakota Highway 43]]
* [[Image:SD 44.svg|20px]] [[South Dakota Highway 44]]
* [[Image:SD 47.svg|20px]] [[South Dakota Highway 47]]
* [[Image:SD 251.svg|23px]] [[South Dakota Highway 251]]
* [[Image:SD 1806.svg|23px]] [[South Dakota Highway 1806]]
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===Adjacent counties===
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* [[Lyman County, South Dakota|Lyman County]] - north
* [[Charles Mix County, South Dakota|Charles Mix County]] - east
* [[Boyd County, Nebraska]] - south
* [[Keya Paha County, Nebraska]] - southwest
* [[Tripp County, South Dakota|Tripp County]] - west
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===Protected areas===
Source:<ref name=GCSD/>

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* Burke Lake State Recreation Area
* Buryanek State Game Production Area
* Buryanek State Recreation Area
* Central Gregory State Game Production Area
* Dixon Dam State Game Production Area
* Herrick Lake State Game Production Area
* [[Karl E. Mundt National Wildlife Refuge]] (part)
* Landing Creek State Game Production Area
* [[Missouri National Recreational River]] (part)
* [[Randall Creek Recreation Area|Randall Creek State Recreation Area]]
* Scalp Creek State Game Production Area
* Southern Gregory State Game Production Area
* South Scalp Creek State Lakeside Use Area
* South Shore State Lakeside Use Area
* South Wheeler State Lakeside Area
* Whetstone Bay State Lakeside Use Area
* Whetstone State Game Production Area
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===Lakes===
Source:<ref name=GCSD/>

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* Burke Lake
* Indian Lake
* Lake Berry
* Lake Burch
* [[Lake Francis Case]] (part)
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