Morley, Lloyd A. creator text bibliography dcu Washington, D.C.] U.S. Dept. of the Interior, Bureau of Mines 1990 monographic eng 1 online resource (xxiii, 437 pages) : illustrations. by Lloyd A. Morley. Includes bibliographical references and index. Electricity in mining 9781613440155 1613440154 https://app.knovel.com/hotlink/toc/id:kpMPS00002/mine-power-systems/mine-power-systems https://app.knovel.com/hotlink/toc/id:kpMPS00002/mine-power-systems/mine-power-systems 110607 20260818155241.0