| 其他書名 | Guidebook for a Field Trip Held in Conjunction with the 37th Annual Meeting of the Association of Engineering Geologists, Williamsburg, VA, October 2, 1994 : Revised and Expanded Version |
| 出版 | Pennsylvania Geological Survey, 1995 |
| URL | http://books.google.com.hk/books?id=rsMOAQAAMAAJ&hl=&source=gbs_api |