Preserving Nature in the National Parks: A History; With a New Preface and Epilogue
"Preserving Nature inspired the greatest advances in scientific natural resource preservation in the history of the national parks." Stewart L. Udall, Secretary of the Interior, 1961-1969 "Anyone who hopes to understand the rich history of our national parks - or cares about their future - needs to read this penetrating book." Dayton Duncan, writer and producer of The National Parks: America's Best Idea broadcast on PBS "This book has changed the way I think about the National Park Service. Its honesty, clarity, and deep research all mark this book as a landmark in N.P.S. historical treatises." Robert C. Pavlik, Yosemite Association"