The selected location is:

The elevation is 355 m ( 1164 ft )
The gradient is: 2.5 percent
The aspect direction is: 139.7 degrees or SE
The local roughness is: 2.6 or average
The location as decimal degrees (X,Y;Z) = -96.6017, 42.8472; 355 m

The state and county are South Dakota: Union County 46127
The HUC is Lower Big Sioux 10170203; Place point in HUC
The Omernik ecoregion is Northern Glaciated Plains (less typical) 46
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Nearby named places (in order by distance)

1. Union Creek head; -96.6017, 42.8472 at a distance of 2 m
2. East Union Creek mouth; South Dakota: Union Co. -96.6017, 42.8472 at a distance of 2 m
3. West Union Creek mouth; South Dakota: Union Co. -96.6014, 42.8472 at a distance of 24 m
4. Union Creek mouth; South Dakota: Union Co. -96.5828, 42.8356 at a distance of 2012 m
5. Akron; Iowa: Plymouth Co. -96.5595, 42.8289 at a distance of 4004 m
6. Nixon, Lake; South Dakota: Union Co. -96.6097, 42.8114 at a distance of 4031 m
7. Beaver Creek mouth; Iowa: Plymouth Co. -96.5481, 42.8411 at a distance of 4433 m
8. Big Sioux County Park; Iowa: Plymouth Co. -96.5445, 42.8494 at a distance of 4681 m
9. Riverside Cemetery; Iowa: Plymouth Co. -96.5456, 42.8367 at a distance of 4731 m
10. Sayles Creek head; -96.6586, 42.8558 at a distance of 4749 m

The 7.5 minute series topographic maps for that area