Mine planning and equipment selection : proceedings of an International Symposium on Mine Planning and Equipment Selection / Calgary / 3-4 November 1988 / edited by Raj K. Singhal - Rotterdam : A. A. Balkema, 1988 - xiv, 535 p. : ill. ; 26 cm. Includes biblioraphical references index ISBN: 9061918197 Subjects--Topical Terms: Strip mining--CongresesMine management--Congresses