Determining Phosphorous in Coal and Coke: Evaluation of Volumetric, Colormetric, and Gravimetric Methods, Issues 5741-5760

In-situ Measurement of Rock Deformation in a Vein-type Deep Mine (in Two Sections).: Instrumentation and techniques. Analysis of measurements in the Star Mine, Burke, Idaho. 1. 2

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

Gold Distribution in Diamond-drill Core from the Homestake Mine, Lead, S. Dak

Linear Discriminant Analysis of Multivariate Assay and Other Mineral Data

Preparation Characteristics of Coal from Tazewell County, Va: Issues 6281-6300

Method for Testing Rate of Gas Diffusion in Crude Oil by Periodic Measurements of Concentration Profiles: Issues 7357-7360

Factors Influencing the Incendivity of Permissible Explosives: Ammonium Nitrate and Carbonaceous Material, Issues 5861-5880

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

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. 1

Probability Studies of the Incendivity of Permissible Explosives: Effect of Small Percentages of Sodium Chloride, Issues 5461-5480

Oxygenates in Automotive Exhaust Gas: Estimation of Levels of Carbonyls and Noncarbonyls in Exhaust from Gasoline Fuels, Issues 7661-7680

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

Multiple Zone Mining Plus Beneficiation of Western Phosphate Rock: A Cost Estimate and Comparison with Selective Mining, Issues 7501-7520

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

Heats of Combustion and Formation of Molybdenum Subnitride and Chromium Subnitride: 1959

Thermochemistry of Erbium

Low-temperature Heat Capacities and Entropies at 298.15° of Sulfides of Arsenic, Germanium and Nickel: 1963

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