The selected location is:

The elevation is 204 m ( 669 ft )
The gradient is: 0.0 percent
There is no aspect direction.
The local roughness is: 0.5 or slight
The location as decimal degrees (X,Y;Z) = -87.8375, 39.6522; 204 m

The state and county are Illinois: Edgar County 17045
The HUC is Embarras 05120112; 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. Catfish Creek head; -87.8375, 39.6522 at a distance of 5 m
2. Buck, Township of; Illinois: Edgar Co. -87.8267, 39.6414 at a distance of 1511 m
3. Pilot Grove School; Illinois: Edgar Co. -87.8147, 39.6592, ( 681 ft ) at a distance of 2105 m
4. Redmon; Illinois: Edgar Co. -87.8617, 39.6453, ( 690 ft ) at a distance of 2215 m
5. Barnett School; Illinois: Edgar Co. -87.8519, 39.6703 at a distance of 2364 m
6. Drainage Ditch Number 7; Illinois: Edgar Co. -87.8042, 39.6469 at a distance of 2915 m
7. Buck School; Illinois: Edgar Co. -87.8161, 39.6317, ( 681 ft ) at a distance of 2920 m
8. Catfish Point Cemetery; Illinois: Edgar Co. -87.8847, 39.6586 at a distance of 4116 m
9. Scott Cemetery; Illinois: Edgar Co. -87.8853, 39.6456 at a distance of 4169 m
10. Waller School; Illinois: Effingham Co. -87.8483, 39.6147, ( 684 ft ) at a distance of 4262 m

The 7.5 minute series topographic maps for that area