Ultrasonic convergence measurements /

Ultrasonic convergence measurements /

Bibliographic Details
Main Author: McVey, James R.
Corporate Author: United States. Bureau of Mines
Format: Government Document Book
Language:English
Published: Pgh. [i.e. Pittsburgh], PA. : U.S. Dept. of the Interior, Bureau of Mines, 1984.
Series:Report of investigations (United States. Bureau of Mines) ; 8893.
Subjects:
Coal mines and mining > Safety measures > Equipment and supplies.
Mine roof control.
Ultrasonic testing.

Evans: US Documents Microfiche (3rd floor)

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Call Number: I 28.23:8893
 
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