| 其他書名 | A Report on the Sandstone of the Connecticut Valley, Especially Its Fossil Footmarks, Made to the Government of the Commonwealth of Massachusetts |
| 出版 | W. White, printer to the state, 1858 |
| URL | http://books.google.com.hk/books?id=HvpaAAAAQAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |