Author: | Hazen, Scott W., Jr. |
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Year: | 1963 |
Document Type: | N/A |
SUDOC: | I 28.23:6216 |
Series: | United States Bureau of Mines Reports |
Report Number: | R. I. 6216 |
Subjects: | Boring. |
Copper mines and mining -- Arizona -- Pinal County. | |
Link: | http://digital.library.unt.edu/ark:/67531/metadc38702/ |