Fine Grinding of Coal by a Turbomilling Process

Evaluation of Refractories for Aluminum Recycling Furnaces

Flash Reduction of Iron Ore

Recovery of Heavy Minerals from Sand and Gravel Operations in the Southeastern United States

Ceramic Mold Inserts for Use in Ferrous Diecasting

Potential for Recovery of Rutile and Other Byproducts from Western Copper Tailings

Manganese Extraction Studies Using Ferrous Sulfate and Pickle Liquor

Chemical and Physical Beneficiation of Florida Phosphate Slimes

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, Volume 1

Large-scale Continuous Attrition Grinding of Coarse Kaolin

Recovery of Phosphate from Florida Phosphate Slimes

Autogenous Attrition Microgrinding of Calcium Carbonate Minerals

Recovery of Manganese from Slag Formed by Selective Oxidation of High-manganese Pig Iron

Continuous Gaseous Direct Reduction of Low-grade Iron Ores in a Fluid-bed Reactor: Issues 7560-7659

Numerical Methods for Determining Streamlines and Isopressures for Use in Fluid-flow Studies: Issues 7621-7630

Report of Investigations: no.7381 to date

Heats and Free Energies of Formation of Vanadium Nitride and Vanadium Carbide: Issues 6161-6180

Face Ventilation in Underground Bituminous Coal Mines: Performance Characteristics of Common Jute Line Brattice, Issues 6721-6740

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

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