| 其他書名 | Distribution of Landslides and Subsidence in Western North Dakota, and Recognition of Widespread Earth Slides in the Unglaciated Southwestern Part of the State |
| 出版 | U.S. Department of the Interior, Geological Survey, 1949 |
| URL | http://books.google.com.hk/books?id=9xpXh7b1T3wC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |