The selected location is:

The elevation is 0 m ( 0 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) = -81.6440, 30.7280; 0 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 (more typical) 75
The 1:100,000 map (if available); Switch to TerraServer
Zoom on that location with radius = 2 km; 5 km ; 10 km ; 20 km ; 30 km ; custom.

Nearby named places (in order by distance)

1. Upper Sister Creek mouth; Florida: Nassau Co. -81.6440, 30.7280 at a distance of 5 m
2. Lower Sister Creek mouth; Florida: Nassau Co. -81.6440, 30.7280 at a distance of 5 m
3. Casey Creek; Georgia: Camden Co. -81.6379, 30.7396 at a distance of 1415 m
4. Millers Branch mouth; Georgia: Camden Co. -81.6245, 30.7371 at a distance of 2122 m
5. Upper Sister Creek head; -81.6662, 30.7249 at a distance of 2156 m
6. Scrubby Bluff; Georgia: Camden Co. -81.6540, 30.7458 at a distance of 2198 m
7. Crandall; Florida: Nassau Co. -81.6220, 30.7210, ( 5 ft ) at a distance of 2242 m
8. Little Griffin Bluff; Georgia: Camden Co. -81.6598, 30.7533 at a distance of 3192 m
9. Gross; Florida: Nassau Co. -81.6754, 30.7160, ( 24 ft ) at a distance of 3289 m
10. Griffin Bluff; Georgia: Camden Co. -81.6623, 30.7555 at a distance of 3521 m

The 7.5 minute series topographic maps for that area