Browse TRAIL Inventories

Mine water research :neutralization

Mine water research :the limestone neutralization process

Methane control in United States coal mines, 1972

Geologic factors causing roof instability and methane emission problems :the Lower Kittanning coalbed, Cambria County, Pa.

Selected geologic factors affecting mining of the Pittsburgh coalbed

Measuring the methane content of bituminous coalbeds


Published Year

Subject

Author