America's wonderlands : the scenic national parks and monuments of the United States /
prepared bt the National Geographic Book service; foreword by Melville Bell Grosveror ; introd by Conrad L. Wirth; contributors: Daniel B. Beard.
- Washington, DC : National Geographic Society, c1959.
- 510 p. : ill. (part. col.)
Includes index.
National parks and reserves--U.S.
National Monuments--U.S.
Includes index.
National parks and reserves--U.S.
National Monuments--U.S.