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Anthracite mechanical mining investigations.

Anthracite mechanical mining investigations.

Published Year

• 1950-1959 (2)

Subject

• Anthracite coal industry--Equipment and supplies (2)
• Coal-mining machinery (2) *
• Mining machinery--Cutter bars--Testing (2)

Author

• Allan, Andrew. (2) *
• Buch, John W. (2)
• Davies, Russell S. (1)

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