The Tortugas, Last Stop U.S.A.
Joe Roman article on primative camping on Garden Key, one of eight remote islands at Dry Tortugas National Park in Gulf of Mexico 70 miles from Key West, Fla; islands have been designated as Tortugas Ecological Reserve, a 'no-take' zone; campers must bring their own food, charcoal for fires and drinking water; photos; maps (M)
