Report of Investigations: no.7381 to date

Statistical Analysis of Methane Concentration Fluctuations: Produced by Incomplete Mixing of Methane and Air at a Model Coal Mine Working Face, Issues 7981-7991; Issues 7993-8000

Principles of Ionization Smoke Detection: Development of a New Sensor for Combustion-generated Submicrometer Particulates, Issues 8241-8260

Three Coal Mine Ventilation Studies Using Sulfur Hexafluoride Tracer Gas

A Spiral Sequential Sampler for Air and Liquids: Preliminary Results

Forecasting Methane Hazards in Metal and Nonmetal Mines

Methane Accumulations in Coal Mine Roof Cavities

Water Spray Vent Tube Cooler for Hot Stopes: A Preliminary Report

Parachute Stopping: Preliminary Experiments, Volume 6

The Direct Method of Determining Methane Content of Coalbeds for Ventilation Design

Brattice Window Method for Measuring Leakage Through Mine Stoppings

Analysis of Steelmaking Slags by Atomic Absorption Spectrophotometry Using Pressure Dissolution: 1978-1979

Evaluating Plastic Scintillators for Detecting Prompt Gamma Rays: In Continuous Analysis of Bulk Materials, Issues 7901-7920

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

Report of Investigations: no.7381 to date

Methane Migration Characteristics of the Pocahontas No. 3 Coalbed

Methane Control in Tunneling

Peak Methane Concentrations During Coal Mining: An Analysis

Peak Methane Concentrations During Coal Mining: An Analysis

The Methane Migration and Storage Characteristics of the Pittsburgh, Pocahontas No. 3, and Oklahoma Hartshorne Coalbeds