Methane and Dust Controls For Longwalls
Subtitle: Pocahontas no. 3 Coalbed, Grundy, va.
Contributors: Cetinbas, A.; Vinson, R.; Cervik, J.
Series: Report of investigations (United States. Bureau of Mines) -- 7849
Publisher: s.n
Published: 1973
Place of publication: S.l
Language: eng
Notes: 1