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

Ventilation Eddy Zones at a Model Coal Mine Working Face

Methane Buildup Hazards Caused by Dust Scrubber Recirculation at Coal Mine Working Faces: A Preliminary Estimate

Statistical Analysis of Methane Concentration Fluctuations: Produced by Incomplete Mixing of Methane and Air at a Model Coal Mine Working Face

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

Replacing Brattice Cloth at Coal Faces with Air Curtains and Diffuser Fans, a Preliminary Study

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

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

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

Handbook for Dust Control in Mining: Issue 9465

How to Control Air Contaminants During Tunnel Construction

Three Coal Mine Gob Degasification Studies Using Surface Boreholes and a Bleeder System

Two-phase Flow in Coalbeds

Building Stoppings in Mines with Large Openings

Three Coal Mine Ventilation Studies Using Sulfur Hexafluoride Tracer Gas