Search

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

Keyword Search

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

4 results returned

Search results

• Methane drainage study using an underground pipeline, Marianna mine 58
• Degasification study from an air shaft in the Beckley Coalbed
• Control of longwall gob gas with cross-measure boreholes (upper Kittanning coalbed)
• Method factors for anemometer measurement at pipe outlets