其他書名 | Description of Sedimentary Rocks and Reserves of Coal in Part of the Bighorn Mountains and the Adjacent West Side of the Powder River Basin |
出版 | U.S. Government Printing Office, 1959 |
URL | http://books.google.com.hk/books?id=g6sPAAAAIAAJ&hl=&source=gbs_api |
EBook | FULL_PUBLIC_DOMAIN |