An encounter with one of the most secretive of American military zones, Proving Ground is David Maisel’s investigation through photographs and time-based media of Dugway Proving Ground, a classified site covering nearly 800,000 acres in a remote region of Utah’s Great Salt Lake Desert. From its inception during World War II to the present day, a primary mission of Dugway has been to develop and test chemical and biological weaponry and defense programs. After more than a decade of inquiry, Maisel was granted rare access to photograph the terrain, testing facilities, and other aspects of this deliberately obscured region of the American atlas.