New techniques for reducing stopping leakage
By: by Robert J. Timko and Edward D. Thimons.
Contributors: Thimons, Edward D.
Series: Information circular ;; 8949; Information circular (United States, Bureau of Mines) ;; 8949.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1983
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 15
Subjects: Concrete stoppings (Mining) -- Airtightness.
Notes: Includes bibliographical references.