The selected location is:

The elevation is 15 m ( 49 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) = -81.9179, 30.6999; 15 m

The state and county are Florida: Nassau County 12089
The HUC is St. Marys 03070204; Place point in HUC
The Omernik ecoregion is Southern Central Plain (less typical) 75
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Nearby named places (in order by distance)

1. Saint Theresa Cemetery; Florida: Nassau Co. -81.9179, 30.6999 at a distance of 5 m
2. Oakwood Cemetery; Florida: Nassau Co. -81.9179, 30.6991 at a distance of 85 m
3. Hilliard; Florida: Nassau Co. -81.9173, 30.6910, ( 69 ft ) at a distance of 984 m
4. Hilliard Elementary School; Florida: Nassau Co. -81.9237, 30.6919, ( 70 ft ) at a distance of 1045 m
5. Hilliard Junior-Senior High School; Florida: Nassau Co. -81.9270, 30.6871, ( 80 ft ) at a distance of 1664 m
6. Hilliard Airpark; Florida: Nassau Co. -81.9056, 30.6880, ( 59 ft ) at a distance of 1764 m
7. Buford Bay; Florida: Nassau Co. -81.9473, 30.7002 at a distance of 2820 m
8. Mills Creek head; -81.9470, 30.6752 at a distance of 3907 m
9. Little Boggy Swamp; Florida: Nassau Co. -81.8862, 30.6766 at a distance of 3983 m
10. Buford Grove Church; Florida: Nassau Co. -81.9434, 30.7299 at a distance of 4132 m

The 7.5 minute series topographic maps for that area