The selected location is:

The elevation is 266 m ( 873 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) = -88.7454, 40.4439; 266 m

The state and county are Illinois: McLean County 17113
The HUC is Salt 07130009; Place point in HUC
The Omernik ecoregion is Central Corn Belt Plains (more typical) 54
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Nearby named places (in order by distance)

1. Sangamon River head; -88.7454, 40.4439 at a distance of 5 m
2. Dawson, Township of; Illinois: McLean Co. -88.7526, 40.4369 at a distance of 984 m
3. Padua; Illinois: McLean Co. -88.7640, 40.4503, ( 838 ft ) at a distance of 1730 m
4. Frankeberger Cemetery; Illinois: McLean Co. -88.7329, 40.4239 at a distance of 2459 m
5. Ellsworth; Illinois: McLean Co. -88.7168, 40.4503, ( 874 ft ) at a distance of 2532 m
6. Kickapoo Creek head; -88.7720, 40.4661 at a distance of 3343 m
7. Dawson Cemetery; Illinois: McLean Co. -88.7118, 40.4197 at a distance of 3917 m
8. WRXZ-FM (Le Roy); Illinois: McLean Co. -88.7740, 40.4097 at a distance of 4503 m
9. Moraine View Dam; Illinois: McLean Co. -88.7234, 40.4033 at a distance of 4877 m
10. Dawson Lake; Illinois: McLean Co. -88.7234, 40.4033 at a distance of 4877 m

The 7.5 minute series topographic maps for that area