Lary M. Dilsaver 
America’s National Park System [EPUB ebook] 
The Critical Documents

Now in a fully updated edition, this invaluable reference work is a fundamental resource for scholars, students, conservationists, and citizens interested in Americas national park system. The extensive collection of documents illustrates the systems creation, development, and management. The documents include laws that established and shaped the system; policy statements on park management; Park Service self-evaluations; and outside studies by a range of scientists, conservation organizations, private groups, and businesses. A new appendix includes summaries of pivotal court cases that have further interpreted the Park Service mission.