Proceedings... Conference, January 1983, Reno, Nevada ; edited by Yung Sam Kim. Reno, Nev. : Nevada Institute of Technology,  172 p. : ill.
Opencast mining, quarrying, and alluvial mining : proceedings... London : Institution of Mining and Metallurgy, 1965. xiv, 772 p. : ill., maps.
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Updated 22 April 2013