Flotation of Beryl from North-eastern Pegmatites: A Progress Report, Issues 5761-5780

In Situ Tests of Bearing Capacity of Roof and Floor in Selected Bituminous Coal Mines: A Program Report - Longwall Mining, Issues 7401-7420

Determining Phosphorous in Coal and Coke: Evaluation of Volumetric, Colormetric, and Gravimetric Methods, Issues 5741-5760

In-situ Measurement of Rock Deformation in a Vein-type Deep Mine (in Two Sections).: Instrumentation and techniques. Analysis of measurements in the Star Mine, Burke, Idaho. 1. 2

Metallurgical Studies of Rhodonite Ores, Silverton District, Colorado (In Three Parts).: Melting, quenching, and acid leaching of concentrates and electrolytic recovery of manganese from solution. 3

Experimental Caustic Leaching of Oxidized Zinc Ores and Minerals and the Recovery of Zinc from Leach Solutions: 1964