Preparation of Ultrathin Sections of Coal

A Study of Consumable Electrode Arc Melting

Chemical Reactions in the Electric Arc: Reactive Metal Carbides

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

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

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

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

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

Detonation of a Flammable Cloud Following a Propane Pipeline Break: The December 9, 1970, Explosion in Port Hudson, Mo, Issues 7741-7760

Simulated Nuclear Reactor System for High-temperature Process Heat: 1,000-hour Demonstration Run at 2,500 F., Issues 5881-5900

Metallurgical Studies of Rhodonite Ores, Silverton District, Colorado (In Three Parts).: Melting, quenching, and acid leaching of concentrates and electrolytic recovery of manganese from solution. 3