Author: | Trengove, Russel R. |
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Year: | 1956 |
Document Type: | N/A |
SUDOC: | I 28.27:7735 |
Series: | Information circular (United States. Bureau of Mines) |
Report Number: | I. C. 7735 |
Subjects: | Iron mines and mining -- California. |
Iron mines and mining -- Costs. | |
Link: | http://digital.library.unt.edu/ark:/67531/metadc67069/ |