The selected location is:

The elevation is 145 m ( 475 ft )
The gradient is: 1.1 percent
The aspect direction is: 169.8 degrees or S
The local roughness is: 0.8 or slight
The location as decimal degrees (X,Y;Z) = -89.9904, 40.3661; 145 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 Interior River Lowland (less typical) 72
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Nearby named places (in order by distance)

1. Buzzville; Illinois: Mason Co. -89.9904, 40.3661, ( 491 ft ) at a distance of 5 m
2. Chautauqua, Lake; Illinois: Mason Co. -89.9959, 40.3714 at a distance of 755 m
3. Chautaugua National Wildlife Refuge; Illinois: Mason Co. -90.0004, 40.3667 at a distance of 853 m
4. Christian Church; Illinois: Mason Co. -89.9882, 40.3497, ( 472 ft ) at a distance of 1826 m
5. Liverpool Lake; Illinois: Mason Co. -89.9943, 40.3875 at a distance of 2404 m
6. Quiver School; Illinois: Mason Co. -89.9976, 40.3450 at a distance of 2417 m
7. McHarry Pond; Illinois: Mason Co. -89.9929, 40.3433 at a distance of 2536 m
8. Presbyterian Church; Illinois: Mason Co. -89.9679, 40.3494, ( 489 ft ) at a distance of 2659 m
9. Buckheart Creek mouth; Illinois: Fulton Co. -89.9945, 40.3925 at a distance of 2957 m
10. Liverpool; Illinois: Fulton Co. -90.0009, 40.3917 at a distance of 2984 m

The 7.5 minute series topographic maps for that area