The selected location is:

The elevation is 591 m ( 1939 ft )
The gradient is: 0.8 percent
The aspect direction is: 329.7 degrees or NW
The local roughness is: 0.7 or slight
The location as decimal degrees (X,Y;Z) = -99.5148, 45.4506; 591 m

The state and county are South Dakota: Edmunds County 46045
The HUC is East Missouri Coteau 10160007; Place point in HUC
The Omernik ecoregion is Northeastern Great Plains (less typical) 45
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Nearby named places (in order by distance)

1. Gretna; South Dakota: Edmunds Co. -99.5148, 45.4506, ( 1910 ft ) at a distance of 2 m
2. Cottonwood (historical), Township of; South Dakota: Edmunds Co. -99.5129, 45.4558 at a distance of 595 m
3. Cottonwood Lake, Township of; South Dakota: Edmunds Co. -99.5129, 45.4558 at a distance of 595 m

The 7.5 minute series topographic maps for that area