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Shear testing of simulated lunar soil in ultrahigh vacuum

Reduction of dust and energy during coal cutting using point-attack bitswith an analysis of rotary cutting and development of a new cutting concept

Published Year

• 1970-1979 (2) *

Subject

• Coal mines and mining--Dust control (1)
• Coal-mining machinery (1)
• Lunar geology (1)
• Lunar petrology (1)
• Shear strength of soils--Testing (1)

Author

• Roepke, Wallace W. (2) *
• Johnson, Bradley V. (1) *
• Lindroth, David P., (1)
• Myren, Theodore A., (1)
• Strebig, Kelly C. (1)

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