DPG is located in Utah.

Yes there is one at Michale Army Air Field (Dugway Army Proving Ground).

Some of the main centers are Fort Detrik U.S, Dugway U.S, Porton Down U.K and Compound 19 Russia

There's a geode place in the Utah Desert called "Dugway Geodes". They let you keep the geodes for free if you dig them up.

Well, first of all, your "113-10" number must be a longitude, because it's "west" and

it's greater than 90. Your "40" number could then be a latitude, because it's "north".

Reading the numbers that way, they specify a point in Utah, about 2.4 miles

outside the southern boundary of the Dugway Proving Ground, and 85.7 miles

southwest of Temple Square in Salt Lake City.