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Bureau of Mines well-bore caliper

Diamond-bit performance in schist

Diamond-bit performance in limestone and dolomite

Diamond-bit performance in sandstone

Diamond-bit performance in cherty limestone and cherty dolomite

Published Year

• 1950-1959 (5) *

Subject

• Boring machinery (5) *
• Diamond bits (4)
• Dolomite (2)
• Limestone (2)
• Rock-drills (1)
• Sandstone (1)
• Schists (1)
• Well drillers (1)

Author

• Long, Albert E. (4)
• Armstrong, F. E. (1)
• Gallagher, Michael J., (1)
• Hamontre, H. C. (1)
• Hausen, Donald M. (1)
• Johnson, George H. (1)
• Mueller, F. G. (1)

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