| U.S. Bureau of Mines Publications, Alaska | |
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U.S. Bureau of Mines Open File Report 17-89 |
| Title: | Lode Deposits, Prospects, and Occurrences of the Porcupine Mining Area, Southeast Alaska | |
| Author: | U.S. Bureau of Mines and Alaska Division of Geological and Geophysical Surveys | |
| Year: | 1989 | |
| Pages: | 1 sheet, scale 1:63,360. | |
| Availability: | Contact librarian for availability |
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