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

Underground Gasification of Coal: Second Experiment in Preparing a Path Through a Coalbed by Hydraulic Fracturing, Issues 5807-5813

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

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

Recovery of Mercury from Cinnabar Ores by Electrooxidation: Extraction Plant Amenability Tests, Issues 8081-8100

Low-temperature Heat Capacities and Entropies at 298.15 K of Some Sodium- and Calcium-aluminum Silicates: Issues 5852-5859

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

Probability Studies of the Incendivity of Permissible Explosives: Effect of Small Percentages of Sodium Chloride, Issues 5461-5480

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

Developing a Thermochemical Model for the Iron Blast Furnace: Model of Ideal Furnace at Equilibrium, Issues 6221-6240

Methods of Analyzing Oilfield Waters: Iodides, Bromides, Alkalinity, Acidity, Borate Boron, Total Boron, Organic Boron, Potassium, Calcium, Magnesium, Iron, Fluorides, and Arsenic, Issues 5801-5820

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

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

Calibration of a Rotating Piston Deadweight Gage by Means of a Mercury Column Less that 1 Meter High: Significance of Piston Constants and Their Applications, Issues 6821-6840

Methods for Producing Alumina from Clay: An Evaluation of the Sulfurous Acid-caustic Purification Process, Issues 5981-6000

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

Heats of Combustion and Formation of Molybdenum Subnitride and Chromium Subnitride: 1959