其他書名 | Glen Canyon National Recreation Area. Charles H. Spencer's mining operation and paddle wheel steamboat |
出版 | Submerged Cultural Resources Unit, Southwest Cultural Resources Center, Southwest Region, National Park Service, U.S. Department of the Interior, 1987 |
URL | http://books.google.com.hk/books?id=XBja2azhRU0C&hl=&source=gbs_api |
EBook | FULL_PUBLIC_DOMAIN |