Search

Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Enter your search term(s):
[advanced search]

3 results returned

Search results

• Degasification of virgin Pittsburgh coalbed through a large borehole
• Degasification study from an air shaft in the Beckley Coalbed
• Influence of overlying strata on methane emissions in a northern West Virginia coal mine