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Mining statutes of the state of Pennsylvania(summarized)

Mining anthracite without roof-fall accidents at Colonial Colliery, Colonia Colliery Co., Natalie, Pa.

Ventilation at the anthracite collieries of the northern Pennsylvania field

Published Year

• 1930-1939 (3) *

Subject

• Anthracite coal--Pennsylvania (3) *
• Bituminous coal--Pennsylvania (1)
• Coal mines and mining--Pennsylvania (1)
• Coal mines and mining--Safety measures--Pennsylvania (1)
• Mine safety--Pennsylvania (1)
• Mine ventilation (1)
• Mining law--Pennsylvania (1)

Author

• Currie, R. D. (1)
• Huff, J. A. (1)
• McElroy, G. E. (1)

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