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

The Thermodynamic Properties of the ZnO-Fe2O3-Fe3O4 System at Elevated Temperatures (in Two Parts).: The thermodynamic properties as related to zinc concentrate roasting. 2

Preparation of Ultrathin Sections of Coal

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

Test Operation of a Pneumatic Vibrating-blade Planer in Phosphate and Coal: A Progress Report on Planer-mining Research, 1958-60, Issues 6121-6140

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

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

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

Metallurgical Studies of Rhodonite Ores, Silverton District, Colorado (In Three Parts).: Melting, quenching, and acid leaching of concentrates and electrolytic recovery of manganese from solution. 3

Investigation of Fire and Explosion Accidents in the Chemical, Mining, and Fuel-related Industries: A Manual, Issues 678-688

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

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

Report of Investigations: no.7381 to date

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

Heats and Free Energies of Formation of Gallium Sesquioxide and Scandium Sesquioxide: Issues 5961-5980

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

Process Development in Removing Sulfur Dioxide from Hot Flue Gases (in Four Parts).: Laboratory-scale pulverized-coal-fired furnace. 2

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

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

Electrowinning Cerium-group and Yttrium-group Metals