Ground-water hydrology of Dugway Proving Ground and adjoining area, Tooele and Juab counties, Utah

Dugway Proving Ground (DPG) is a U.S. Department of Defense chemical, biological, and explosives testing facility in northwestern Utah.  The facility includes about 620 mi² in Tooele County.  The town of Dugway, referred to as English Village, is the administrative headquarters for the military facility, the primary residential area, and community center.  The English Village area is located at the southern end of Skull Valley and is separated from the Fries area by a surface-water divide.  Most of the facility is located just to the west of Skull Valley in Government Creek Valley, Dugway Valley, and the Great Salt Lake Desert (fig. 1).