Using Sulfur Hexafluoride as a Gaseous Tracer to Study Ventilation Systems in Mines

Tracer Gas as an Aid in Mine Ventilation Analysis

Methane Accumulations in Coal Mine Roof Cavities

Three Coal Mine Ventilation Studies Using Sulfur Hexafluoride Tracer Gas

Sulfur Hexafluoride as a Mine Ventilation Research Tool: Recent Field Applications

Report of Investigations: no.7381 to date

The Diffusion Flame in Free Convection: Buoyancy-induced Flows, Oscillations, Radiative Balance, and Large-scale Limiting Rates, Issues 8261-8280

Laboratory Experiments in Electrokinetic Densification of Mill Tailings: (in Two Parts) 2. Application to Various Types and Classifications of Tailings, Issues 7881-7900

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

Direct Method Determination of the Gas Content of Coal: Procedures and Results, Issues 8501-8520

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