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

Directional Drilling for Coalbed Degasification: Program Goals and Progress in 1978, Issues 8361-8380

Recovery of Byproduct Heavy Minerals from Sand and Gravel Operations in Central and Southern California

Recovering Byproduct Heavy Minerals from Sand and Gravel, Placer Gold, and Industrial Mineral Operations

Recovering byproduct heavy minerals from sand and gravel, placer gold, and industrial mineral operations

Recovery of Byproduct Heavy Minerals from Sand and Gravel Operations in Oregon and Washington

Recovery of Byproduct Heavy Minerals from Sand and Gravel Operations in Central and Southern California

Evaluating Plastic Scintillators for Detecting Prompt Gamma Rays: In Continuous Analysis of Bulk Materials, Issues 7901-7920

Preparation of Tungsten Carbide by Electrodeposition: Issue 2747

Comparison of Techniques for Electrowinning Tungsten from Scheelite

Electrolytic Preparation of Titanium and Zirconium Diborides from Their Oxides and Mineral Concentrates

Recovery of Platinum-group Metals from Stillwater Complex, Mont., Flotation Concentrates by Matte Smelting and Leaching

Laboratory Investigation of Sulfurous Acid Leaching of Kaolin for Preparing Alumina

Electrolytes for Electrorefining Hafnium

Electrolytic Preparation of Tungsten Metal and Tungsten Carbide from Wolframite

Recovery of Scheelite and Byproduct Sphalerite from Western U.S. Tactite Ores

Report of Investigations: no.7381 to date

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

The System Al4C3-AlN-Al2O3: Powder Forming and Sintering Behavior, Phase Identification, and Refractory Composition Properties, Issues 7301-7320

Studies of Coke Oven Width, Flue Temperature, and Coking Rate: Critical Survey of Literature ; Carbonizing Tests with Tuscaloosa Oven, Issues 5591-5600