Comparisons between cross-measure boreholes and surface gob holes
By: by T.W. Goodman and J. Cervik.
Contributors: Cervik, Joseph.
Series: Report of investigations ;; 9013; Report of investigations (United States. Bureau of Mines) ;; 9013.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1986
Place of publication: Pittsburg, Pa
Language: eng
Number of pages: 14
Subjects: Coalbed methane drainage -- Pennsylvania -- Ebensburg Region -- Testing.; Longwall mining -- Pennsylvania -- Ebensburg Region.; Boring -- Pennsylvania -- Ebensburg Region.
Notes: Bibliography: p. 14.