USA, Arizona, Cochise, Ft. Huachuca: Hill Fourr 11th Brigade Signal Corps site, 4.5 km NW of the confluence of the San Pedro and Graveyard Gulch, 7 km SW of Fairbank.
31.661734 -110.229972 +-1000m.
1300 meters (4264ft)
Desert thornbrush. 0-25 degrees slope, south facing.