| Type |  Book |
| ชื่อเรื่อง | America's wonderlands; the scenic national parks and monuments of the United States. Foreword by Melville Bell Grosvenor. Introd. by Conrad L. Wirth |
| ผู้แต่ง | National geographic book service |
| พิมพลักษณ์ | Washington : National Geographic Society, c1959 |
| | Washington, National Geographic Society [1959] |
| รูปเล่ม | 510 p. illus. 27 cm |
| หัวเรื่อง | National monuments --United States [] |
| | Natural monuments --United States [] |
| | National parks and reserves --United States [] |