The selected location is:

The elevation is 138 m ( 452 ft )
The gradient is: 2.7 percent
The aspect direction is: 311.6 degrees or NW
The local roughness is: 1.8 or average
The location as decimal degrees (X,Y;Z) = -90.4193, 40.0728; 138 m

The state and county are Illinois: Schuyler County 17169
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. Little Lake; Illinois: Schuyler Co. -90.4193, 40.0728 at a distance of 5 m
2. Big Lake; Illinois: Schuyler Co. -90.4101, 40.0750 at a distance of 821 m
3. Frederick; Illinois: Schuyler Co. -90.4290, 40.0700, ( 445 ft ) at a distance of 884 m
4. Briggs Landing; Illinois: Schuyler Co. -90.4265, 40.0639 at a distance of 1160 m
5. Frederick Landing; Illinois: Schuyler Co. -90.4273, 40.0636 at a distance of 1226 m
6. WRMS-FM (Beardstown); Illinois: Schuyler Co. -90.4329, 40.0792 at a distance of 1365 m
7. Structure Number 1 Dam; Illinois: Schuyler Co. -90.4401, 40.0700 at a distance of 1803 m
8. Frederick, Township of; Illinois: Schuyler Co. -90.4393, 40.0814 at a distance of 1960 m
9. Boujan Swale; Illinois: Cass Co. -90.4107, 40.0519 at a distance of 2428 m
10. Wood Slough; Illinois: Cass Co. -90.4215, 40.0500 at a distance of 2533 m

The 7.5 minute series topographic maps for that area