Method and cost of exploring, equipping for development, and developing the Central Patricia Group of Claims, Northern Ontario / by A.J. Keast and C.F. Jackson.
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Format: | Government Document Book |
Language: | English |
Published: |
Washington, D.C. :
U.S. Dept. of Commerce, Bureau of Mines,
1933.
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Series: | Information circular (United States. Bureau of Mines) ;
6681. |
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