The selected location is:

The elevation is 168 m ( 551 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) = -89.5693, 39.8059; 168 m

The state and county are Illinois: Sangamon County 17167
The HUC is South Fork Sangamon 07130007; 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. Hoover Branch mouth; Illinois: Sangamon Co. -89.5693, 39.8059 at a distance of 6 m
2. Clear Lake; Illinois: Sangamon Co. -89.5687, 39.8136 at a distance of 862 m
3. R & S Airport; Illinois: Sangamon Co. -89.5676, 39.7981, ( 580 ft ) at a distance of 873 m
4. Oak Hill Cemetery; Illinois: Sangamon Co. -89.5651, 39.8183 at a distance of 1428 m
5. Oak Hill School; Illinois: Sangamon Co. -89.5626, 39.8218 at a distance of 1851 m
6. Oak Crest Country Club; Illinois: Sangamon Co. -89.5595, 39.8219 at a distance of 1969 m
7. Roselawn Memorial Cemetery; Illinois: Sangamon Co. -89.5657, 39.8251 at a distance of 2148 m
8. Clear Lake Avenue Interchange; Illinois: Sangamon Co. -89.5954, 39.8018 at a distance of 2282 m
9. Sugar Creek mouth; Illinois: Sangamon Co. -89.5426, 39.8111 at a distance of 2359 m
10. South Fork Sangamon River mouth; Illinois: Sangamon Co. -89.5412, 39.8139 at a distance of 2567 m

The 7.5 minute series topographic maps for that area