The selected location is:

The elevation is 687 m ( 2253 ft )
The gradient is: 1.4 percent
The aspect direction is: 137.5 degrees or SE
The local roughness is: 0.9 or average
The location as decimal degrees (X,Y;Z) = -99.5171, 43.2361; 687 m

The state and county are South Dakota: Gregory County 46053
The HUC is Fort Randall Reservoir 10140101; 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. Dallas; South Dakota: Gregory Co. -99.5171, 43.2361, ( 2194 ft ) at a distance of 1 m
2. Dallas, Town of; South Dakota: Gregory Co. -99.5182, 43.2378 at a distance of 209 m
3. Bull Creek head; -99.5226, 43.2381 at a distance of 498 m
4. Hillview Cemetery; South Dakota: Gregory Co. -99.5315, 43.2272 at a distance of 1531 m
5. Dallas Cemetery; South Dakota: Gregory Co. -99.5332, 43.2272 at a distance of 1639 m
6. Barker School; South Dakota: Tripp Co. -99.5626, 43.2269 at a distance of 3834 m
7. ZCBJ Cemetery; South Dakota: Gregory Co. -99.4640, 43.2119 at a distance of 5084 m
8. Elliston, Township of; South Dakota: Tripp Co. -99.5832, 43.2278 at a distance of 5448 m
9. Melrose School; South Dakota: Gregory Co. -99.5137, 43.1836 at a distance of 5839 m
10. Edens, Township of; South Dakota: Gregory Co. -99.4851, 43.2919 at a distance of 6722 m

The 7.5 minute series topographic maps for that area