Recovery of Alumina from Anorthosite, San Gabriel Mountains, California, Using the Lime Soda Sinter Process: With a Section on Geology by Gordon B. Oakeshott, Issues 6241-6295

Methods for Producing Alumina from Clay: An Evaluation of a Nitric Acid Process

A Cost Estimate of the Bayer Process for Producing Alumina

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

A Method of Obtaining the Ultraviolet and Visible Spectra of Insoluble Materials: Use of a Low-molecular-weight Polyethylene as a Matrix Material, Issues 6421-6440

Heats and Free Energies of Formation of Gallium Sesquioxide and Scandium Sesquioxide: Issues 5900-5997

Preparation Characteristics of Coal from Tazewell County, Va: Issues 6281-6300

Revised and Updated Cost Estimates for Producing Alumina from Domestic Raw Materials

Sulfuric Acid from Sulfur Dioxide by Autoxidation in Mechanical Cells

Methods for Producing Alumina from Anorthosite: An Evaluation of a Lime-soda Sinter Process

Test Operation of a Pneumatic Vibrating-blade Planer in Phosphate and Coal: A Progress Report on Planer-mining Research, 1958-60, Issues 6121-6140

Spectrochemical Analysis of High-purity Beryllium: Issues 6101-6120

Detonation of a Flammable Cloud Following a Propane Pipeline Break: The December 9, 1970, Explosion in Port Hudson, Mo, Issues 7741-7760

Low-temperature Phase Equilibria of Helium-bearing Natural Gases: Exell Gas, Issues 6001-6020

Economic Studies of Uses of the Glass' Fractions from Municipal Incinerator Residues

Cost Estimate of the Bayer Process for Producing Alumina-based on 1982 Equipment Prices

Stresses Induced Around Mine Development Workings by Undercutting and Caving, Climax Molybdenum Mining, Colorado (in Two Parts).: Strain and deformation measurement. 2

The Nicaro (Cuba) Nickel Ores: Basic Studies, Including Differential Thermal Analysis in Controlled Atmospheres, Issues 5491-5510

Reaction of Tungsten-cobalt Alloys with Oxygen at 1,0000 and 1,1000 K

Reconnaissance of Tellurium Resources in Arizona, Colorado, New Mexico and Utah: Including Selected Data from Other Western States and Mexico, Issues 6341-6360