Physical Desulfurization of Fine-size Coals on a Spiral Concentrator

Preparation Characteristics of Pennsylvania Anthracite from the Kidney Seam, Northern Field

Preparation Characteristics of Coal from Clarion County, Pa

Beneficiation of Unweathered Indian Calcareous Phosphate Rock by Calcination and Hydration: By Philip C. Good ; Albany Metallurgy Research Center, Issues 8141-8160

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

Mine Water Research: Plant Design and Cost Estimates for Limestone Treatment, Issues 7361-7380

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

Report of Investigations: no.7381 to date

Mine Water Research: Plant Design and Cost Estimates for Limestone Treatment, Issues 7360-7369

Report of Investigations: no.7381 to date

Crystallographic Modifications and Phase Transformation Rates of Five Rare-earth Sesquioxides: Lanthanum Oxide, Neodymium Oxide, Samarium Oxide, Europium Oxide, and Gadolinium Oxide, Issues 6601-6620

Fersmite: A Rare Calcium-columbate Mineral from Montana, Issues 5681-5700

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

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

Recovery Percentage of Bituminous Coal Deposits in the United States (in Two Parts).: Underground mines. Part 1

Preparation Characteristics of Coal from Webster County, W. Va

Preparation Characteristics of Coal from Barbour County, W. Va

Sulfur Reduction Potential of the Coals of the United States: Issues 7633-7638

Preparation Characteristics of Coal from Fayette County, W. Va

Washability Examinations of Wyoming Coals