Zirconium-hafnium Separation

Beneficiation of Ferberite-scheelite Ore from Germania Consolidated Mines, Inc. Stevens County, Wash

Flotation of Pacific Northwest Chromite Ores

Beneficiation and Hydrometallurgical Treatment of Complex Mercury Sulfide Products

Production of High-purity Synthetic Rutile from a Domestic Ilmenite Concentrate

Carbon Steel from Prereduced Pellets-acid Practice

Selective Flotation Concentration of Lead-zinc Ores from the Musick and Helena Mines, Bohemia District, Oreg

Removal of Magnesium Impurities from Phosphate Rock Concentrates

Continuous Charging and Preheating of Prereduced Iron Ore

Flotation of Low-grade Mercury Ores

Precipitation and Electrodeposition of Mercury in Caustic Solutions

Beneficiation of Sherman Pyromorphite Lead Ore

Flotation of Low-grade Mercury Ores

Recrystallization of Chrome Spinel

Explosion of Dephlegmator at Cities Service Oil Company Refinery, Ponca City, Okla., 1959: Issues 5645-5649

Studies of Coke Oven Width, Flue Temperature, and Coking Rate: Critical Survey of Literature ; Carbonizing Tests with Tuscaloosa Oven, Issues 5591-5600

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

Operating a Pressure-gasification Pilot Plant Using Pulverized Coal and Oxygen: Effect of Heat Loss on Economy, Issues 5941-5960

The Nicaro (Cuba) Nickel Ores: Basic Studies, Including Differential Thermal Analysis in Controlled Atmospheres, Issues 5491-5510

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