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: 0.3 or slight
The location as decimal degrees (X,Y;Z) = -90.3351, 39.9207; 183 m

The state and county are Illinois: Cass County 17017
The HUC is Lower Illinois 07130011; 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. Arenzville, Township of; Illinois: Cass Co. -90.3351, 39.9207 at a distance of 6 m
2. Wiggens Cemetery; Illinois: Cass Co. -90.3237, 39.9309 at a distance of 1489 m
3. Springer School; Illinois: Cass Co. -90.3145, 39.9184 at a distance of 1778 m
4. Green-Krohe Cemetery; Illinois: Cass Co. -90.3654, 39.9244 at a distance of 2626 m
5. Krohe Cemetery; Illinois: Cass Co. -90.3515, 39.9419 at a distance of 2745 m
6. Treadway-Miller Cemetery; Illinois: Cass Co. -90.3145, 39.9408 at a distance of 2846 m
7. Mannel Branch head; -90.3270, 39.8923 at a distance of 3234 m
8. Monroe School; Illinois: Cass Co. -90.3046, 39.9393 at a distance of 3321 m
9. Jockisch Cemetery; Illinois: Cass Co. -90.3384, 39.9506 at a distance of 3337 m
10. Monroe Cemetery; Illinois: Cass Co. -90.3034, 39.9389 at a distance of 3382 m

The 7.5 minute series topographic maps for that area