MENU Table of Contents Introduction The Early Years, 1864-1918 Defining The System, 1919-1932 The New Deal Years, 1933-1941 The Poverty Years, 1942-1956 Questions of Resource Management, 1957-1963 The Ecological Revolution, 1964-1969 Transformation and Expansion, 1970-1980 A System Threatened, 1981-1992 Appendix: Summaries of Lengthy Documents About the Editor		America's National Park System: The Critical Documents Edited by Lary M. Dilsaver (ISBN 0-8476-8440-7) Rowman & Littlefield Publishers 1994
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