The selected location is:

The elevation is 49 m ( 160 ft )
The gradient is: 0.1 percent
There is no aspect direction.
The local roughness is: 1.6 or average
The location as decimal degrees (X,Y;Z) = -87.1522, 30.7455; 49 m

The state and county are Florida: Santa Rosa County 12113
The HUC is Blackwater 03140104; Place point in HUC
The Omernik ecoregion is Southeastern Plains (less typical) 65
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Nearby named places (in order by distance)

1. Three Hollow Creek mouth; Florida: Santa Rosa Co. -87.1522, 30.7455 at a distance of 3 m
2. Three Hollow Head mouth; Florida: Santa Rosa Co. -87.1458, 30.7488 at a distance of 716 m
3. Mash Branch mouth; Florida: Santa Rosa Co. -87.1497, 30.7313 at a distance of 1594 m
4. Three Hollow Head head; -87.1253, 30.7430 at a distance of 2594 m
5. Chumuckla 20-20 Airport; Florida: Santa Rosa Co. -87.1772, 30.7546, ( 205 ft ) at a distance of 2595 m
6. Chicken Head head; -87.1267, 30.7246 at a distance of 3369 m
7. University of Florida Agricultural Research Center; Florida: Santa Rosa Co. -87.1414, 30.7766 at a distance of 3599 m
8. Gum Pond; Florida: Santa Rosa Co. -87.1100, 30.7413 at a distance of 4071 m
9. Elizabeth Chapel; Florida: Santa Rosa Co. -87.1944, 30.7291 at a distance of 4429 m
10. Dry Branch head; -87.1206, 30.7160 at a distance of 4459 m

The 7.5 minute series topographic maps for that area