General & OtherGeologic factors causing roof instability and methane emission problems : the Lower Kittanning coalbed, Cambria County, PaC. M McCulloch![Geologic factors causing roof instability and methane emission problems : the Lower Kittanning coalbed, Cambria County, Pa]()
Geologic factors causing roof instability and methane emission problems : the Lower Kittanning coalbed, Cambria County, Pa
C. M McCulloch
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“Geologic factors causing roof instability and methane emission problems : the Lower Kittanning coalbed, Cambria County, Pa” by C. M McCulloch: a…
Catalogue details
- Author
- C. M McCulloch
- Category
- General & Other
- Language
- English
- Source
- HathiTrust