The selected location is:

The elevation is 557 m ( 1827 ft )
The gradient is: 0.9 percent
The aspect direction is: 270.0 degrees or W
The local roughness is: 0.7 or slight
The location as decimal degrees (X,Y;Z) = -99.9037, 44.8500; 557 m

The state and county are South Dakota: Sully County 46119
The HUC is Lower Lake Oahe 10130105; Place point in HUC
The Omernik ecoregion is Northeastern Great Plains (more typical) 45
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Nearby named places (in order by distance)

1. R Mundt Dam; South Dakota: Sully Co. -99.9037, 44.8500 at a distance of 2 m
2. Mundt Lake; South Dakota: Sully Co. -99.9037, 44.8500 at a distance of 2 m
3. Cottonwood Lake; South Dakota: Sully Co. -99.9040, 44.8369, ( 1800 ft ) at a distance of 1458 m
4. Cottonwood Lake State Wildlife Refuge; South Dakota: Sully Co. -99.9137, 44.8339 at a distance of 1958 m
5. Morton, Township of; South Dakota: Sully Co. -99.8476, 44.8458 at a distance of 4460 m
6. Harrison, Township of; South Dakota: Sully Co. -99.9693, 44.8458 at a distance of 5207 m
7. Earling, Township of; South Dakota: Lyman Co. -99.9448, 44.8906 at a distance of 5557 m
8. Kaspar Post Office (historical); South Dakota: Sully Co. -99.8171, 44.8269, ( 1875 ft ) at a distance of 7313 m
9. Kennebec, Township of; South Dakota: Lyman Co. -99.8260, 44.8906 at a distance of 7619 m

The 7.5 minute series topographic maps for that area