The selected location is:

The elevation is 274 m ( 899 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) = -88.5668, 40.4214; 274 m

The state and county are Illinois: McLean County 17113
The HUC is Upper Sangamon 07130006; 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. Salt Creek head; -88.5668, 40.4214 at a distance of 5 m
2. Riverside Cemetery; Illinois: McLean Co. -88.5279, 40.4144 at a distance of 3394 m
3. Saybrook; Illinois: McLean Co. -88.5262, 40.4267, ( 790 ft ) at a distance of 3500 m
4. Greenwood Cemetery; Illinois: McLean Co. -88.5754, 40.4561, ( 878 ft ) at a distance of 3925 m
5. Cheney's Grove, Township of; Illinois: McLean Co. -88.5126, 40.4386 at a distance of 4985 m
6. Payne Cemetery; Illinois: McLean Co. -88.6307, 40.4419, ( 884 ft ) at a distance of 5879 m
7. Arrowsmith, Township of; Illinois: McLean Co. -88.6315, 40.4467 at a distance of 6166 m
8. Arrowsmith; Illinois: McLean Co. -88.6318, 40.4494, ( 881 ft ) at a distance of 6330 m
9. Bellflower Cemetery; Illinois: McLean Co. -88.5251, 40.3636 at a distance of 7328 m
10. Union Cemetery; Illinois: McLean Co. -88.6659, 40.4283, ( 856 ft ) at a distance of 8442 m

The 7.5 minute series topographic maps for that area