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

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

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

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

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

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

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

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