Building stoppings in mines with large openings

Author: Thimons, Edward D.
Additional Authors: Kissell, Fred N.
Year: 1975
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:8687
Series: Information circular - Bureau of Mines ;
Report Number: 8687
Subject: Mining engineering
Link: https://hdl.handle.net/2027/mdp.39015078463281

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