Mining environmental conference：proceedings Rolla, Missouri, April 16-18, 1969

Corporate Authors: Mining Environmental Conference (1969 Rolla, Missouri; Extension Division and Dept. of Mining and Petroleum Engineering; Univ. of Missouri, Rolla, Missouri
Group Author: Scott James J
Published: s.n.],
Publication Dates: 1969.
Call Number: U104.1/CM665/1969