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Commercial-quality gas from the multipurpose borehole located in the Pittsburgh coalbed
Degasification and production of natural gas from an air shaft in the Pittsburgh coalbed
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Published Year
1970-1979 (2)
Subject
Mine gases (2)
Natural gas (2) *
Author
Fields, H. H. (2) *
Cervik, Joseph, (1)
Deul, Maurice, (1)
Goodman, Tobias W., (1)
Perry, John H., (1)
