| 其他書名 | In the Counties of Salop, Hereford, Radnor, Montgomery, Caermarthen, Brecon(...)with Description of the Coal-fields and Overlying Formations. in two parts |
| 出版 | John Murray, 1839 |
| URL | http://books.google.com.hk/books?id=ZPt-pks3VxoC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |