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- Corporate/Agency Authors:
- Mines Bureau and Interior Dept.
- Publisher:
- Mines Bureau
- Date:
- Revised [edition]. 1971
- SuDoc number:
- I 28.16/2:F 51
- Corporate/Agency Authors:
- Mines Bureau and Interior Dept.
- Publisher:
- Mines Bureau
- Date:
- 1970
- SuDoc number:
- I 28.16/2:Ex 7/v.1