| 其他書名 | A Descriptive Report on an Area in the Disturbed Belt Along the Eastern Front of the Northern Rocky Mountains in Western Montana |
| 出版 | U.S. Government Printing Office, 1949 |
| URL | http://books.google.com.hk/books?id=G3FkUYS0AKQC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |