Cover Image

Geologic factors in predicting coal mine roof-rock stability in the upper Kittanning coalbed, Somerset County, Pa

Other Authors: Iannacchione, Anthony T.
Format: Book
Language: English
Published: [Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, [1981]
Physical Description: ii, 41 pages : illustrations, maps ; 27 cm.
Series: Report of investigations (United States. Bureau of Mines)

CMU Storage Gov Pub

Call Number: I 28.23:8575
Copy Available