Using Radiant Heat to Reduce Coal Filter-cake Moisture: Results of Pilot Plant Tests, Issues 5824-5832

Well Productivity Related to Drilling Muds: Umiat Field, Naval Petroleum Reserve No. 4, Alaska, Issues 5701-5710

Three Chemosynthetic Autotrophic Bacteria Important to Leaching Operations at Arizona Copper Mines: 1961

Performance of Small Industrial-type Anthracite-burning Stokers: ASME Code Tests, Issues 5605-5608

Defluorination of Fluorspar: Preparation of Aluminum Fluoride from Siliceous Fluorspar, Issues 6021-6040

A Method of Obtaining the Ultraviolet and Visible Spectra of Insoluble Materials: Use of a Low-molecular-weight Polyethylene as a Matrix Material, Issues 6421-6440

Hydration-rate Studies of Gypsum Plasters: Effects of Small Amounts of Dissolved Substances, Issue 5417, Part 5597

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

Heats and Free Energies of Formation of Gallium Sesquioxide and Scandium Sesquioxide: Issues 5900-5997

Low-temperature Phase Equilibria of Helium-bearing Natural Gases: Exell Gas, Issues 6001-6020

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

High-temperature Corrosion Studies: Influence of Yttrium on Oxidation of Nickel at 1,2000 C, Issues 6781-6800

Process Development in Removing Sulfur Dioxide from Hot Flue Gases (in Four Parts).: Laboratory-scale pulverized-coal-fired furnace. 2

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

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