The selected location is:

The elevation is 170 m ( 558 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) = -89.4784, 39.7420; 170 m

The state and county are Illinois: Sangamon County 17167
The HUC is Upper Sangamon 07130006; 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. Taft Airport; Illinois: Sangamon Co. -89.4784, 39.7420, ( 586 ft ) at a distance of 6 m
2. Black Branch head; -89.5045, 39.7369 at a distance of 2306 m
3. Berry Oil Field; Illinois: Sangamon Co. -89.4559, 39.7283 at a distance of 2454 m
4. McCoy Branch head; -89.5090, 39.7542 at a distance of 2954 m
5. Oak Hill Cemetery; Illinois: Sangamon Co. -89.4437, 39.7407 at a distance of 2979 m
6. Buckhart; Illinois: Sangamon Co. -89.4448, 39.7497, ( 566 ft ) at a distance of 3006 m
7. Buckhart Creek mouth; Illinois: Sangamon Co. -89.4712, 39.7704 at a distance of 3208 m
8. Cooper, Township of; Illinois: Sangamon Co. -89.4401, 39.7439 at a distance of 3291 m
9. Roby West Oil Field; Illinois: Sangamon Co. -89.4659, 39.7737 at a distance of 3674 m
10. American School; Illinois: Sangamon Co. -89.4348, 39.7286 at a distance of 4022 m

The 7.5 minute series topographic maps for that area