The selected location is:

The elevation is 183 m ( 600 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) = -88.9648, 39.8306; 183 m

The state and county are Illinois: Macon County 17115
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. Lincoln Park; Illinois: Macon Co. -88.9648, 39.8306 at a distance of 5 m
2. Greenwood Cemetery; Illinois: Macon Co. -88.9584, 39.8319 at a distance of 570 m
3. Spring Creek mouth; Illinois: Macon Co. -88.9726, 39.8311 at a distance of 669 m
4. Lake Decatur; Illinois: Macon Co. -88.9565, 39.8264, ( 613 ft ) at a distance of 849 m
5. Wilson Junior High School; Illinois: Macon Co. -88.9734, 39.8356 at a distance of 923 m
6. Oakland School; Illinois: Macon Co. -88.9726, 39.8383 at a distance of 1087 m
7. Fishermans Wharf Park; Illinois: Macon Co. -88.9559, 39.8231 at a distance of 1127 m
8. French School; Illinois: Macon Co. -88.9632, 39.8408 at a distance of 1145 m
9. Saint Pauls School; Illinois: Macon Co. -88.9598, 39.8406 at a distance of 1194 m
10. Decatur; Illinois: Macon Co. -88.9548, 39.8403, ( 670 ft ) at a distance of 1380 m

The 7.5 minute series topographic maps for that area