The selected location is:

The elevation is 549 m ( 1801 ft )
The gradient is: 0.0 percent
There is no aspect direction.
The local roughness is: 0.3 or slight
The location as decimal degrees (X,Y;Z) = -100.8504, 44.7333; 549 m

The state and county are South Dakota: Stanley County 46117
The HUC is Lower Lake Oahe 10130105; Place point in HUC
The Omernik ecoregion is Northwestern Great Plains (less typical) 43
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Nearby named places (in order by distance)

1. Chisholm Ranch Landing Field; South Dakota: Stanley Co. -100.8504, 44.7333, ( 1975 ft ) at a distance of 3 m
2. Whiteman Draw head; -100.8679, 44.7336 at a distance of 1389 m
3. Orton Flat; South Dakota: Stanley Co. -100.8693, 44.7275 at a distance of 1632 m
4. Orton (historical); South Dakota: Stanley Co. -100.8435, 44.7181, ( 2000 ft ) at a distance of 1777 m
5. Oak Creek head; -100.8532, 44.7167 at a distance of 1860 m
6. Orton; South Dakota: Stanley Co. -100.8421, 44.7103, ( 1990 ft ) at a distance of 2641 m
7. Orton School; South Dakota: Stanley Co. -100.8185, 44.7236, ( 1990 ft ) at a distance of 2746 m
8. Camp Creek head; -100.8148, 44.7289 at a distance of 2861 m
9. Whiteman Draw mouth; South Dakota: Stanley Co. -100.8698, 44.7564 at a distance of 2991 m
10. Oak Creek mouth; South Dakota: Stanley Co. -100.8265, 44.7603 at a distance of 3545 m

The 7.5 minute series topographic maps for that area