Direct Method Determination of the Gas Content of Coal: Procedures and Results, Issues 8501-8520

Monitoring Ground Movements Near Caving Stopes: Methods and Measurements, Issues 8581-8600

The Diffusion Flame in Free Convection: Buoyancy-induced Flows, Oscillations, Radiative Balance, and Large-scale Limiting Rates, Issues 8261-8280

Viscosity of BOF Slags Fluidized with Fluorspar, Colemanite, and Fused Boric Acid

Report of Investigations: no.7381 to date

The Theory of Flammability Limits: Conductive-convective Wall Losses and Thermal Quenching, Issues 8461-8463; Issues 8465-8480

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

Analysis of Steelmaking Slags by Atomic Absorption Spectrophotometry Using Pressure Dissolution: 1978-1979

Identification of Sulfur Compounds in Petroleum: Analysis of a Wasson, Texas Crude Oil Distillate Boiling from 1110 to 1500C, Issues 6801-6810

Waste Lubricating Oil Research: Some Innovative Approaches to Reclaiming Used Crankcase Oil, Issues 7921-7930; Issues 7932-7939

Sulfur in Lignite: Form and Transformations on Thermal Treatment, Issues 5621-5640

A Microscope System Using Automated Reflectance Scanning to Study Coal Components: Application to Analysis of Pyrite Distribution, Issues 7241-7260

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

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

Free Energies of Formation of Chromous, Chromic, and Chromium (II, III) Fluorides by Electromotive Force Measurements

Electrowinning Cerium-group and Yttrium-group Metals

Effect of Metal Impurities on the Adsorption of Gold by Activated Carbon in Cyanide Solutions

Recycling of Neodymium Iron Boron Magnet Scrap

Vapor-pressure Measurements by Effusion Methods

Laboratory Wear Testing Capabilities of the Bureau of Mines