| 其他書名 | Revision of the Wanakah Formation and Basal Morrison Formation in Part of the Black Canyon of the Gunnison River |
| 出版 | U.S. Government Printing Office, 1992 |
| URL | http://books.google.com.hk/books?id=AMTOM5938g8C&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |