Moving baseline for evaluation of advanced coal-extraction systems.
Washington, DC: U.S. Department of the Interior, Bureau of Mines, C-12548, 1981 Apr; :1-176
This document reports results from the initial effort to establish baseline economic performance comparators for a program whose intent is to define, develop, and demonstrate advanced systems suitable for coal resource extraction beyond the year 2000.
Coal; Coal-mining; Environmental-impacts; Health-hazards; Longwall-mining; Mining-equipment; Room-and-pillar-mining; Safety; Underground-mining
CP; Final Contract Report
NTIS Accession No.
Washington, DC: U.S. Department of the Interior, Bureau of Mines, C-12548
Jet Propulsion Laboratory