The selected location is:

The elevation is 152 m ( 499 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) = -89.8284, 40.3183; 152 m

The state and county are Illinois: Mason County 17125
The HUC is Lower Illinois-Lake Chautauqua 07130003; Place point in HUC
The Omernik ecoregion is Central Corn Belt Plains (less typical) 54
The 1:100,000 map (if available); Switch to TerraServer
Zoom on that location with radius = 2 km; 5 km ; 10 km ; 20 km ; 30 km ; custom.

Nearby named places (in order by distance)

1. Union School Number 1; Illinois: Mason Co. -89.8284, 40.3183, ( 499 ft ) at a distance of 5 m
2. Pleasant Hill Cemetery; Illinois: Mason Co. -89.8129, 40.3336 at a distance of 2153 m
3. Forest City, Township of; Illinois: Mason Co. -89.8193, 40.3397 at a distance of 2503 m
4. Union School; Illinois: Mason Co. -89.8295, 40.3458, ( 495 ft ) at a distance of 3060 m
5. Lake Shore School; Illinois: Mason Co. -89.8529, 40.2972 at a distance of 3132 m
6. Wessling School; Illinois: Mason Co. -89.8668, 40.3247 at a distance of 3342 m
7. Brown School; Illinois: Mason Co. -89.7868, 40.3175 at a distance of 3536 m
8. White and Brown Ditch; Illinois: Mason Co. -89.7862, 40.3297 at a distance of 3804 m
9. White and Rowley Ditch; Illinois: Mason Co. -89.8037, 40.3469 at a distance of 3810 m
10. White School; Illinois: Mason Co. -89.7829, 40.3319 at a distance of 4153 m

The 7.5 minute series topographic maps for that area