Cover Image

Geologic factors causing roof instability and methane emission problems the Lower Kittanning coalbed, Cambria County, Pa. /

Main Author: McCulloch, C. M.
Other Authors: Deul, Maurice., United States. Bureau of Mines.
Format: Book
Language: English
Published: [Washington, D.C.] : U.S. Dept. of Interior, Bureau of Mines, 1973.
Physical Description: 25 pages : illustrations, maps ; 26 cm.
Series: Report of investigations (United States. Bureau of Mines) ; 7769.
Subjects:
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049 |a COMA 
050 4 |a TN23  |b .U43 no. 7769 
086 0 |a I 28.23:7769 
100 1 |a McCulloch, C. M.  |q (Charles M.) 
245 1 0 |a Geologic factors causing roof instability and methane emission problems :  |b the Lower Kittanning coalbed, Cambria County, Pa. /  |c by C.M. McCulloch and Maurice Deul. 
264 1 |a [Washington, D.C.] :  |b U.S. Dept. of Interior, Bureau of Mines,  |c 1973. 
300 |a 25 pages :  |b illustrations, maps ;  |c 26 cm. 
336 |a text  |b txt  |2 rdacontent. 
337 |a unmediated  |b n  |2 rdamedia. 
338 |a volume  |b nc  |2 rdacarrier. 
490 1 |a Report of investigations / United States Department of the Interior, Bureau of Mines ;  |v 7769. 
504 |a Includes bibliographical references (pages 24-25). 
650 0 |a Coal mines and mining  |z Pennsylvania  |z Cambria County. 
650 0 |a Mine roof control. 
650 0 |a Firedamp. 
650 7 |a Coal mines and mining.  |2 fast. 
650 7 |a Firedamp.  |2 fast. 
650 7 |a Mine roof control.  |2 fast. 
651 7 |a Pennsylvania  |z Cambria County.  |2 fast. 
700 1 |a Deul, Maurice. 
710 1 |a United States.  |b Bureau of Mines. 
776 1 |a McCulloch, C.M. (Charles M.).  |t Geologic factors causing roof instability and methane emission problems  |h ii, 25 p.  |w (OCoLC)234380231. 
776 0 8 |i Online version:  |a McCulloch, C.M. (Charles M.).  |t Geologic factors causing roof instability and methane emission problems.  |d [Washington, D.C.] : U.S. Dept. of Interior, Bureau of Mines, 1973  |w (OCoLC)633108240. 
830 0 |a Report of investigations (United States. Bureau of Mines) ;  |v 7769. 
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948 |a MARCIVE August, 2017 
948 |a MARCIVE extract Aug 5, 2017 
994 |a C0  |b COM 
995 |a Loaded with m2btab.ltiac in 2017.08 
995 |a Exported from Connexion by CMU 
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