TY - BOOK AU - Wadsworth,Ginger TI - John Muir: Wilderness Protector SN - 0-8225-4912-3 PY - 1992/// CY - Minneapolis PB - Lerner Publications KW - Muir, John--Literature KW - Naturalists--United States--Biography KW - Conservationists--United States--Biograp N2 - A biography of the naturalist and explorer who helped found the Sierra Club and was influential in the development of our national park system ER -