The selected location is:

The elevation is 697 m ( 2285 ft )
The gradient is: 27.4 percent
The aspect direction is: 250.1 degrees or W
The local roughness is: 12.4 or moderate
The location as decimal degrees (X,Y;Z) = -100.6954, 45.0264; 697 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
The 1:100,000 map (if available); Switch to TerraServer
Zoom on that location with radius = 2 km; 5 km ; 10 km ; 20 km ; 30 km ; custom.

Nearby named places (in order by distance)

1. West Branch Willow Creek head; -100.6954, 45.0264 at a distance of 3 m
2. C Peterson Number 1 Dam; South Dakota: Dewey Co. -100.6937, 45.0467 at a distance of 2258 m
3. No Heart Creek head; -100.7415, 45.0275 at a distance of 3637 m
4. Little Willow Creek head; -100.6796, 44.9908 at a distance of 4150 m
5. East Branch Willow Creek head; -100.6526, 45.0542 at a distance of 4571 m
6. Stove Creek head; -100.6629, 45.0647 at a distance of 4965 m
7. East Branch Tall Prairie Chicken Creek head; -100.7635, 45.0347 at a distance of 5447 m
8. H Triangle Ranch; South Dakota: Dewey Co. -100.6993, 45.0781 at a distance of 5752 m
9. Scatter Butte Creek head; -100.6323, 45.0525 at a distance of 5754 m
10. South Dewey, Unorganized Territory of; South Dakota: Dewey Co. -100.7048, 45.0808 at a distance of 6089 m

The 7.5 minute series topographic maps for that area