The selected location is:

The elevation is 5 m ( 17 ft )
The gradient is: 1.3 percent
The aspect direction is: 229.0 degrees or SW
The local roughness is: 0.4 or slight
The location as decimal degrees (X,Y;Z) = -81.6245, 30.6905; 5 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. Lower Sister Creek head; -81.6245, 30.6905 at a distance of 5 m
2. McQueen Creek head; -81.6370, 30.6758 at a distance of 2021 m
3. McQueen Swamp; Florida: Nassau Co. -81.6504, 30.6888 at a distance of 2491 m
4. Becker; Florida: Nassau Co. -81.6412, 30.6713, ( 24 ft ) at a distance of 2662 m
5. Reids Bluff; Florida: Nassau Co. -81.6087, 30.7146 at a distance of 3073 m
6. Crandall; Florida: Nassau Co. -81.6220, 30.7210, ( 5 ft ) at a distance of 3394 m
7. Roses Bluff; Florida: Nassau Co. -81.5851, 30.7091 at a distance of 4302 m
8. Lower Sister Creek mouth; Florida: Nassau Co. -81.6440, 30.7280 at a distance of 4563 m
9. Upper Sister Creek mouth; Florida: Nassau Co. -81.6440, 30.7280 at a distance of 4563 m
10. Devils Elbow; Georgia: Camden Co. -81.6015, 30.7296 at a distance of 4865 m

The 7.5 minute series topographic maps for that area