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RENO, Nev. (AP) - Federal land managers trying to keep a rare butterfly off the list of endangered species have closed dozens of off-road vehicle trails at one of the largest sand dunes in the West.
The closure affects about six square miles at Sand Mountain Recreation Area in western Nevada. The dunes' shrubs are the Sand Mountain blue butterfly's only known home.
The Bureau of Land Management controls activities at the dunes, which are 600 feet tall and stretch for two miles. Their 200 miles of trails attract an estimated 50,000 off-roaders annually on motorcycles, dune buggies and all-terrain vehicles.
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