Piping methane in underground coal mines
By: by Jack E. Tisdale ... [et al.]
Contributors: Tisdale, Jack E
Series: Informational report - Mine Safety and Health Administration ; IR 1094; Informational report (United States. Mine Safety and Health Administration) -- IR 1094
Publisher: Dept. of Labor, Mine Safety and Health Administration
Published: 1978
Place of publication: [Arlington, Va.]
Language: eng
Number of pages: 34
Subjects: Methane; Coal mines and mining -- Safety measures
Notes: Bibliography: p. 14-15