The selected location is:

The elevation is 560 m ( 1837 ft )
The gradient is: 3.8 percent
The aspect direction is: 181.2 degrees or S
The local roughness is: 2.9 or average
The location as decimal degrees (X,Y;Z) = -100.8388, 44.8783; 560 m

The state and county are South Dakota: Dewey County 46041
The HUC is Lower Lake Oahe 10130105; Place point in HUC
The Omernik ecoregion is Northwestern Great Plains (more typical) 43
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Nearby named places (in order by distance)

1. Dog Eagle Ranch; South Dakota: Dewey Co. -100.8387, 44.8783 at a distance of 6 m
2. West Branch Rousseau Creek mouth; South Dakota: Dewey Co. -100.8568, 44.8567 at a distance of 2793 m
3. Rousseau Creek head; -100.8573, 44.8567 at a distance of 2814 m
4. East Branch Rousseau Creek mouth; South Dakota: Dewey Co. -100.8573, 44.8564 at a distance of 2842 m
5. Joes Creek head; -100.8026, 44.8611 at a distance of 3440 m
6. Wager Ranch; South Dakota: Dewey Co. -100.8632, 44.9142 at a distance of 4430 m
7. Sogge Ranch; South Dakota: Dewey Co. -100.8340, 44.9250 at a distance of 5201 m
8. Rousseau Creek mouth; South Dakota: Dewey Co. -100.8429, 44.8275 at a distance of 5657 m
9. Ducheneau Ranch; South Dakota: Dewey Co. -100.7837, 44.9308 at a distance of 7276 m
10. Fine Weather Draw head; -100.8782, 44.8189 at a distance of 7302 m

The 7.5 minute series topographic maps for that area