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Author
Maksimovic, S. D. | Elder, C. H. | Kissell, F. N.
Title
Hydraulic Stimulation of a Surface Borehole for Gob Degasification.
Coporate
Bureau of Mines, Pittsburgh, PA
Report
RI 8228, 1977, 20 p.
Keywords
mine ventilation | methane | coal mines | safety | mine gases