| 其他書名 | (federal Coal Lease Application WYW151133) |
| 出版 | U.S. Department of the Interior, Bureau of Land Management, Wyoming State Office, Casper Field Office, 2000 |
| URL | http://books.google.com.hk/books?id=RnhD3EfziuQC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |