Mining methods and costs , inspiration consolidated copper co .open- pit mine,gila county, ariz.

/ W.R. Hardwick

Concentration of manganese ores from boulder dam recreational area ,clark county,nev.

/ J.V.Batty and W.W. Agey

Marano volcanic rocks, East Azarbaijan Province, Iran, and associated Fe mineralisation

Mechanical modelling of oblique convergence in the Zagros, Iran

Method Of Leakage Study At The Karst Dam Site. A Case Study