The selected location is:

The elevation is 163 m ( 535 ft )
The gradient is: 0.0 percent
There is no aspect direction.
The local roughness is: 0.4 or slight
The location as decimal degrees (X,Y;Z) = -89.5412, 39.8139; 163 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. South Fork Sangamon River mouth; Illinois: Sangamon Co. -89.5412, 39.8139 at a distance of 6 m
2. Sugar Creek mouth; Illinois: Sangamon Co. -89.5426, 39.8111 at a distance of 328 m
3. Clear Lake; Illinois: Sangamon Co. -89.5340, 39.8209, ( 517 ft ) at a distance of 988 m
4. Coal Bank Bridge; Illinois: Sangamon Co. -89.5443, 39.8228 at a distance of 1028 m
5. Oak Crest Country Club; Illinois: Sangamon Co. -89.5595, 39.8219 at a distance of 1804 m
6. Clear Lake, Township of; Illinois: Sangamon Co. -89.5432, 39.8303 at a distance of 1834 m
7. Oak Hill School; Illinois: Sangamon Co. -89.5626, 39.8218 at a distance of 2029 m
8. Oak Hill Cemetery; Illinois: Sangamon Co. -89.5651, 39.8183 at a distance of 2105 m
9. Clear Lake; Illinois: Sangamon Co. -89.5687, 39.8136 at a distance of 2355 m
10. Roselawn Memorial Cemetery; Illinois: Sangamon Co. -89.5657, 39.8251 at a distance of 2436 m

The 7.5 minute series topographic maps for that area