The selected location is:

The elevation is 627 m ( 2057 ft )
The gradient is: 0.4 percent
The aspect direction is: 270.0 degrees or W
The local roughness is: 0.6 or slight
The location as decimal degrees (X,Y;Z) = -99.8818, 45.3847; 627 m

The state and county are South Dakota: Walworth County 46129
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. Ryan, Township of; South Dakota: Walworth Co. -99.8818, 45.3847 at a distance of 2 m
2. East Walworth, Unorganized Territory of; South Dakota: Walworth Co. -99.8843, 45.4133 at a distance of 3183 m
3. Spring Lake State Public Shooting Area; South Dakota: Walworth Co. -99.8373, 45.4308 at a distance of 6194 m
4. Theodore, Township of; South Dakota: Walworth Co. -99.8823, 45.3261 at a distance of 6515 m
5. Spring Valley, Township of; South Dakota: Walworth Co. -99.9037, 45.4419 at a distance of 6583 m
6. Spring Lake; South Dakota: Walworth Co. -99.8307, 45.4342, ( 1950 ft ) at a distance of 6801 m
7. Swan Creek head; -99.9021, 45.3228 at a distance of 7063 m
8. Rieger Creek head; -99.9632, 45.4375 at a distance of 8661 m
9. Theodore (historical); South Dakota: Walworth Co. -99.8526, 45.3042, ( 1904 ft ) at a distance of 9236 m
10. Lowry; South Dakota: Walworth Co. -99.9826, 45.3161, ( 1866 ft ) at a distance of 10979 m

The 7.5 minute series topographic maps for that area