NASA NTRS · 19780020643
A life-cycle description of underground coal mining
Abstract
An initial effort to relate the major technological and economic variables which impact conventional underground coal mining systems, in order to help identify promising areas for advanced mining technology is described. The point of departure is a series of investment analyses published by the United States Bureau of Mines, which provide both the analytical framework and guidance on a choice of variables.
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Lavin, M. L., Borden, C. S., Duda, J. R.. 1978-07-01. A life-cycle description of underground coal mining. https://ntrs.nasa.gov/citations/19780020643
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