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

Brattice Window Method for Measuring Leakage Through Mine Stoppings

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

Ventilation Eddy Zones at a Model Coal Mine Working Face

Two-phase Flow in Coalbeds

Building Stoppings in Mines with Large Openings

Tracer Gas as an Aid in Mine Ventilation Analysis

Tracer Gas as an Aid in Mine Ventilation Analysis

Two-phase Flow in Coalbeds