| 其他書名 | The Army Engineers and Yellowstone National Park : a Documentary History |
| 出版 | U.S. Department of Defense, Department of the Army, Corps of Engineers, Office of the Chief of Engineers, Historical Division, 1976 |
| URL | http://books.google.com.hk/books?id=e7ypdty_NlYC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |