The selected location is:

The elevation is 110 m ( 361 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) = -88.1378, 37.7925; 110 m

The state and county are Illinois: Gallatin County 17059
The HUC is Lower Ohio-Bay 05140203; Place point in HUC
The Omernik ecoregion is Interior River Lowland (more typical) 72
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Nearby named places (in order by distance)

1. Cow Pond Slough; Illinois: Gallatin Co. -88.1378, 37.7925 at a distance of 6 m
2. Cattail Slough; Illinois: Gallatin Co. -88.1478, 37.7719 at a distance of 2447 m
3. Hulda Lake; Illinois: Gallatin Co. -88.1078, 37.7903, ( 342 ft ) at a distance of 2650 m
4. Saint Patricks Church; Illinois: Gallatin Co. -88.1564, 37.8119 at a distance of 2712 m
5. Willow Pond Slough; Illinois: Gallatin Co. -88.1078, 37.8044 at a distance of 2954 m
6. Callicott Cemetery; Illinois: Gallatin Co. -88.1697, 37.8019 at a distance of 3002 m
7. Crackle Ditch; Illinois: Gallatin Co. -88.1317, 37.8214 at a distance of 3257 m
8. Pond Settlement Ditch; Illinois: Gallatin Co. -88.1803, 37.7928 at a distance of 3747 m
9. Cypress Ditch; Illinois: Gallatin Co. -88.1656, 37.7631 at a distance of 4078 m
10. Mill Slough; Illinois: Gallatin Co. -88.0983, 37.8192 at a distance of 4571 m

The 7.5 minute series topographic maps for that area