| 其他書名 | Guide to Information Contained in the Folio of Geologic and Mineral-resource Maps of the Medfra Quadrangle, Alaska |
| 出版 | U.S. Government Printing Office, 1984 |
| URL | http://books.google.com.hk/books?id=oNgXCXF7OkkC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |