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Federal coal-mine inspection :a decade of progress : annual report for fiscal year 1951 and 10-year review

Published Year

• 1950-1959 (1) *

Subject

• Coal mines and mining--Inspection--United States (1) *

Author

• Ankeny, M. J. (1) *
• Forbes, J. J. (1)
• Weaver, H. F. (1)

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