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

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

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

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

Test Operation of a Pneumatic Vibrating-blade Planer: A Progress Report on Phosphate Mining Research, Issues 6861-6880

Chemical Analysis and Electrical Resistivity of Selected California Oilfield Waters

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

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

Oxygenates in Automotive Exhaust Gas: Estimation of Levels of Carbonyls and Noncarbonyls in Exhaust from Gasoline Fuels, Issues 7661-7680

Studies on the Spectrochemical Analysis of Solutions: Use of Carrier-precipitation and a Filter Electrode, Issues 6241-6260

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

Electrowinning Molybdenum: Preliminary Studies, Issues 5794-5800

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

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

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

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

Well Productivity Related to Drilling Muds: Umiat Field, Naval Petroleum Reserve No. 4, Alaska, Issues 5701-5710

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

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