Comparisons between cross-measure boreholes and surface gob holes

Main Author: Goodman, Tobias W.
Other Authors: Cervik, Joseph., United States. Bureau of Mines.
Format: Microfilm
Language: English
Published: Pittsburg, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1986.
Physical Description: 14 pages : illustrations ; 28 cm.
Series: Report of investigations (United States. Bureau of Mines) ; 9013.
Subjects:

CMU Storage Gov Pub Microfiche

LocationCall Number: Status
CMU Storage Gov Pub Microfiche I 28.23:9013 Available