Suggested Topics within your search.
Suggested Topics within your search.
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1
A fracture mechanics study of crack propagation mechanism in coal the mechanics of fine fragment formation : fifth annual report (October 1, 1987-September 30, 1988) /
Published 1988Government Document Microfilm Book -
2
Frictional ignition of natural gas-air mixtures by alternative coal-cutter bit shank materials /
Published 1992Government Document Book -
3
Use of an in-seam tester to determine effects of bit type on primary dust generation /
Published 1989Government Document Book -
4
Improved drilling of coal measure rocks for underground mine void detection and exploration programs /
Published 1991Government Document Book -
5
Frictional ignition with coal mining bits /
Published 1990Search for the full-text version of this title in HathiTrust
Government Document Book -
6
Frictional ignition of natural gas-air mixtures by alternative coal-cutter bit shank materials
Published 1992Connect to online resource
Government Document Microfilm Book