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其他書名
A Blueprint for Tomorrow
出版National Parks and Conservation Association, 1988
主題Nature / Environmental Conservation & ProtectionTravel / Parks & Campgrounds
ISBN09400911949780940091191
URLhttp://books.google.com.hk/books?id=TB9BAQAAIAAJ&hl=&source=gbs_api
註釋This plan contains recommendations for the survival and improvement of the National Park Service and the United States national park system.