The selected location is:

The elevation is 183 m ( 600 ft )
The gradient is: 0.0 percent
There is no aspect direction.
The local roughness is: 0.0 or flat
The location as decimal degrees (X,Y;Z) = -87.9031, 39.3850; 183 m

The state and county are Illinois: Clark County 17023
The HUC is Embarras 05120112; Place point in HUC
The Omernik ecoregion is Central Corn Belt Plains (less typical) 54
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Nearby named places (in order by distance)

1. Lindsay Branch mouth; Illinois: Clark Co. -87.9031, 39.3850 at a distance of 5 m
2. Bluegrass Creek mouth; Illinois: Clark Co. -87.9025, 39.3761 at a distance of 985 m
3. Twin Bridges; Illinois: Clark Co. -87.9025, 39.3950, ( 594 ft ) at a distance of 1115 m
4. Sherwood Forest Lake; Illinois: Clark Co. -87.9083, 39.3700 at a distance of 1721 m
5. Sherwood Forest Lake Dam; Illinois: Clark Co. -87.9083, 39.3700 at a distance of 1721 m
6. Slater Creek mouth; Illinois: Clark Co. -87.8994, 39.4017 at a distance of 1885 m
7. Lindsay School; Illinois: Clark Co. -87.9283, 39.3947 at a distance of 2427 m
8. Kelly School; Illinois: Clark Co. -87.8731, 39.3806 at a distance of 2627 m
9. Willis Branch mouth; Illinois: Clark Co. -87.9050, 39.3589 at a distance of 2898 m
10. Abraham Lincoln School; Illinois: Clark Co. -87.8781, 39.3661 at a distance of 3002 m

The 7.5 minute series topographic maps for that area