Counties: Tooele
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Dugway Proving Ground (DPG) was established in 1942 to develop and test chemical weapons and biological defense systems. The initial test efforts resulted in the development of several munitions systems, including incendiaries, 4.2 inch chemical mortars, flamethrowers, and toxic chemicals capable of being sprayed from aircraft. In addition, various types of protective clothing, remedies, and antidotes were tested. were tested. The types of chemical warfare agents tested at DPG included the V-Type nerve agent VX, which was the agent that allegedly was ingested by, and therefore killed, the sheep buried near White Rock Mountain in 1968.

Open air testing of chemical agents was performed at DPG until 1969, when all such activities were suspended. Since then, only chemical simulants have been tested in the open air.

If you would like more information regarding the former Sheep Burial Site, White Rock Ranch, please select a link from above.

Note: Skull Valley Sheep Burial Site, FUDS number J08UT1100, is a duplicate project number for this site. However, this FUDS number, J08UT1096, is the currently active, most up-to-date designation for this site.