Report of Investigations: no.7381 to date

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

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

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

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

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

Phosphoric Acid by Direct Sulfuric Acid Digestion of Florida Land-pebble Matrix

Modification of a Commercial Atomic Absorption Spectrophotometer for Cold-vapor Determination of Mercury: Issue 8573

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

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

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

Development Testing and Analysis of Steel Fiber-reinforced Concrete Mine Support Members: Support System Design and Results of Laboratory Investigation and Full-scale Testing, Issues 8401-8420

Factors Influencing the Incendivity of Permissible Explosives: Ammonium Nitrate and Carbonaceous Material, Issues 5861-5880

Benefication of Western Mesabi Range Oxidized Taconites: A Comparison of the Anionic and Cationic Flotation Systems and an Evaluation of Potential Iron Ore Reserves, Issues 8541-8560

Extraction of Manganese from Georgia Umber Ore by a Sulfuric Acid-ferrous Sulfate Process (in Two Parts).: Countercurrent-decantation extraction and agglomeration of leached residue tests. 1

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

Detonation of a Flammable Cloud Following a Propane Pipeline Break: The December 9, 1970, Explosion in Port Hudson, Mo, Issues 7741-7760

Minerals Yearbook: Volume 1

Contributions to the Data on Theoretical Metallurgy: Volume 14

Technical Paper: Issue 336