The selected location is:

The elevation is 7 m ( 23 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) = -81.8862, 30.6766; 7 m

The state and county are Florida: Nassau County 12089
The HUC is Nassau 03070205; Place point in HUC
The Omernik ecoregion is Southern Central Plain (more typical) 75
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Nearby named places (in order by distance)

1. Little Boggy Swamp; Florida: Nassau Co. -81.8862, 30.6766 at a distance of 5 m
2. Braddock Cemetery; Florida: Nassau Co. -81.8734, 30.6719 at a distance of 1329 m
3. Hilliard Airpark; Florida: Nassau Co. -81.9056, 30.6880, ( 59 ft ) at a distance of 2253 m
4. Little Boggy Creek head; -81.8895, 30.6563 at a distance of 2269 m
5. Hilliard; Florida: Nassau Co. -81.9173, 30.6910, ( 69 ft ) at a distance of 3385 m
6. Oakwood Cemetery; Florida: Nassau Co. -81.9179, 30.6991 at a distance of 3935 m
7. Hilliard Elementary School; Florida: Nassau Co. -81.9237, 30.6919, ( 70 ft ) at a distance of 3978 m
8. Saint Theresa Cemetery; Florida: Nassau Co. -81.9179, 30.6999 at a distance of 3992 m
9. Hilliard Junior-Senior High School; Florida: Nassau Co. -81.9270, 30.6871, ( 80 ft ) at a distance of 4083 m
10. Bethel Church; Florida: Nassau Co. -81.8895, 30.6283 at a distance of 5360 m

The 7.5 minute series topographic maps for that area