The selected location is:

The elevation is 558 m ( 1830 ft )
The gradient is: 6.8 percent
The aspect direction is: 261.5 degrees or W
The local roughness is: 4.1 or average
The location as decimal degrees (X,Y;Z) = -100.1207, 45.3325; 558 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 (less typical) 45
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Nearby named places (in order by distance)

1. Akaska; South Dakota: Walworth Co. -100.1207, 45.3325, ( 1768 ft ) at a distance of 1 m
2. Akaska, Town of; South Dakota: Walworth Co. -100.1212, 45.3319 at a distance of 78 m
3. Albert Kulm Dam; South Dakota: Walworth Co. -100.1287, 45.3583 at a distance of 2934 m
4. Rieger Creek mouth; South Dakota: Walworth Co. -100.1671, 45.3264 at a distance of 3701 m
5. Brown, Township of; South Dakota: Walworth Co. -100.1310, 45.3694 at a distance of 4179 m
6. Old Zion Cemetery; South Dakota: Walworth Co. -100.1721, 45.3550 at a distance of 4741 m
7. Liberty, Township of; South Dakota: Walworth Co. -100.1298, 45.2825 at a distance of 5604 m
8. Pero Creek head; -100.1707, 45.3711 at a distance of 5810 m
9. Leo Ritter Dam; South Dakota: Walworth Co. -100.1004, 45.2817 at a distance of 5867 m
10. Calvin Ballensky Dam; South Dakota: Walworth Co. -100.1837, 45.2933 at a distance of 6588 m

The 7.5 minute series topographic maps for that area