Evaluating Sulfur and Ash Distribution in Coal Seams by Statistical Response Surface Regression Analysis: Issues 7370-7379

Lake Superior Iron Resources: Reexamination of Nonmagnetic Taconite Occurrences in the Hibbing, Minn., Area by Flotation, Magnetic Separation, and Petrographic Methods, Issues 6981-7000

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

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

A Microscope System Using Automated Reflectance Scanning to Study Coal Components: Application to Analysis of Pyrite Distribution, Issues 7250-7269

Flotation of California Mica Ore

Continuous Heavy Liquid Concentration of Kyanite: Issues 7481-7500

Continuous Heavy Liquid Concentration of Kyanite

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

Beneficiation of Georgia Kyanite Ore

Heavy Liquid Concentration of Brucite

Continuous Flotation of Beryl from Spodumene Mill Tailing, Foote Mineral Company, Kings Mountain, N.C.

Anionic-cationic Flotation of Mica Ores from Alabama and North Carolina

Continuous Heavy Liquid Concentration of Spodumene

Some Generalized Probability Distributions with Special Reference to the Mineral Industries (in Five Parts).: Computer programs of distribution moments. 3

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

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

A Microscope System Using Automated Reflectance Scanning to Study Coal Components: Application to Analysis of Pyrite Distribution, Issues 7241-7260

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

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