Rocky Mountain Administrative History

1. Editors of Country Beautiful Magazine, America The Beautiful: In the Words of John F. Kennedy (New York, 1964), p. 24.

2. Ise, Our National Park Policy, p. 360.

3. Freeman Tilden, The National Parks: What They Mean To You And Me (New York, 1951), p. 13.

4. Enos A. Mills, Your National Parks (Boston, 1927), p. 379.