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Geologic factors causing roof instability and methane emission problems : the Lower Kittaning coalbed, Cambria County, Pa. / by C.M. McCulloch and Maurice Deul.
- Format:
- Book
- Government document
- Author/Creator:
- McCulloch, C. M. (Charles M.)
- Series:
- Report of investigations (United States. Bureau of Mines) ; 7769.
- Report of investigations ; 7769
- Language:
- English
- Subjects (All):
- Mine roof control.
- Physical Description:
- 1 online resource (ii, 25 pages)
- Place of Publication:
- [Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, [1973]
- Notes:
- Title from title screen (viewed on July 18, 2008).
- Includes bibliographical references (pages 24-25).
- Electronic reproduction. [Place of publication not identified] : HathiTrust Digital Library, 2010.
- Other Format:
- McCulloch, C.M. (Charles M.). Geologic factors causing roof instability and methane emission problems
- OCLC:
- 234380231
- Access Restriction:
- Use copy Restrictions unspecified
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