Geology of the Mary Lee Group of Coalbeds, Black Warrior Coal Basin, Alabama

Laboratory Experiments in Electrokinetic Densification of Mill Tailings: (in Two Parts) 2. Application to Various Types and Classifications of Tailings, Issues 7881-7900

In Situ Comparison of Radical and Point Attack Bits

Determining Cleat Orientation of Deeper Coalbeds from Overlying Coals

Vapor-liquid Equilibrium Data for Two Helium-nitrogen-methane Mixtures from 76.50 to 1640 K and Pressures to 1,200 PSIA: 1971-1972

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

Heats and Free Energies of Formation of Vanadium Nitride and Vanadium Carbide: Issues 6161-6180

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

Atomic Absorption Methods of Analysis of Oilfield Brines: Barium, Calcium, Copper, Iron, Lead, Lithium, Magnesium, Manganese, Potassium, Sodium, Strontium, and Zinc: By Gordon E. Fletcher and A. Gene Collins, Issues 7861-7880

Multiple Zone Mining Plus Beneficiation of Western Phosphate Rock: A Cost Estimate and Comparison with Selective Mining, Issues 7501-7520

Centrifugal Compressor for High-temperature Helium: Performance Characteristics, Issues 6261-6280

Low-temperature Heat Capacities and Entropies at 298.15° of Sulfides of Arsenic, Germanium and Nickel: 1963

Reservoir Oil Characteristics, Greater Aneth Area, Utah: Unusual Saturation-pressure Variations, Issues 6181-6200