The selected location is:

The elevation is 670 m ( 2199 ft )
The gradient is: 1.1 percent
The aspect direction is: 117.9 degrees or SE
The local roughness is: 0.3 or slight
The location as decimal degrees (X,Y;Z) = -99.9565, 45.0500; 670 m

The state and county are South Dakota: Potter County 46107
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. Gettysburg Radar Station; South Dakota: Potter Co. -99.9565, 45.0500, ( 2220 ft ) at a distance of 2 m
2. Potter County; South Dakota: Potter Co. -99.9504, 45.0500 at a distance of 481 m
3. Artichoke Creek head; -99.9465, 45.0414 at a distance of 1240 m
4. Central Potter, Unorganized Territory of; South Dakota: Potter Co. -99.9490, 45.0742 at a distance of 2751 m
5. Gettysburg, Township of; South Dakota: Potter Co. -99.9898, 45.0208 at a distance of 4175 m
6. Gettysburg; South Dakota: Potter Co. -99.9557, 45.0117, ( 2061 ft ) at a distance of 4259 m
7. Gettysburg, City of; South Dakota: Potter Co. -99.9540, 45.0067 at a distance of 4818 m
8. Gettysburg Cemetery; South Dakota: Potter Co. -99.9204, 45.0150, ( 2072 ft ) at a distance of 4821 m
9. Sanner School; South Dakota: Potter Co. -100.0743, 45.0353, ( 1981 ft ) at a distance of 9424 m
10. Cornelian Lake (historical); South Dakota: Potter Co. -100.0796, 45.0103, ( 1930 ft ) at a distance of 10658 m

The 7.5 minute series topographic maps for that area