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E-book
Hydraulic stimulation increases degasification rate of coalbeds
- Publisher:
- [Pittsburgh, Pa.?] : U.S. Dept. of the Interior, Bureau of Mines, [1975]
- Phys. Desc.:
- 17 pages : digital, PDF file
- Electronic resource
- Click for online content.
E-book
Degasification of the Mary Lee coalbed near Oak Grove, Jefferson County, Ala., by vertical borehole in advance of mining
- Publisher:
- [Pittsburgh, Pa.?] : U.S. Dept. of the Interior, Bureau of Mines, [1974]
- Phys. Desc.:
- 21 pages : digital, PDF file
- Electronic resource
- Click for online content.
E-book
Geologic factors causing roof instability and methane emission problems : the Lower Kittaning coalbed, Cambria County, Pa
- Publisher:
- [Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, [1973]
- Phys. Desc.:
- ii, 25 pages : digital, PDF file
- Electronic resource
- Click for online content.
E-book
Cleat in bituminous coalbeds
- Publisher:
- [Pittsburgh, Pa.?] : U.S. Dept. of the Interior, Bureau of Mines, [1974]
- Phys. Desc.:
- 25 pages : digital, PDF file
- Electronic resource
- Click for online content.
E-book
Commercial-quality gas from the multipurpose borehole located in the Pittsburgh coalbed
- Publisher:
- [Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, [1975]
- Phys. Desc.:
- 14 pages : digital, PDF file
- Electronic resource
- Click for online content.
