| 其他書名 | The Mines & Miners of the Grand Canyon |
| 出版 | Grand Canyon Association, 1997 |
| 主題 | Business & Economics / Industries / GeneralNature / GeneralTechnology & Engineering / MiningTravel / Parks & Campgrounds |
| ISBN | 09382165629780938216568 |
| URL | http://books.google.com.hk/books?id=_XgjAQAAIAAJ&hl=&source=gbs_api |