Established in 1937 by Pres. Franklin Roosevelt, Organ Pipe NM in Southwestern Arizona encompasses more than 330,000 acres, much of it wilderness area showcasing the Sonoran Desert ecosystem. Go to tucson.com/parks for more on Arizona's National Parks and Monuments.
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Organ Pipe Cactus National Monument is known for its many prickly plants.
Order seeks to widen access to hunting, recreational shooting on national monuments.