Roof bolting in Alabama coal mines and iron-ore mines
By: by H. C. Young.
Contributors: United States. Bureau of Mines.
Series: Information circular (United States. Bureau of Mines) -- 7678
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1954
Place of publication: Washington, DC
Language: eng
Number of pages: 18
Subjects: Mine roof bolting.; Coal mines and mining -- Alabama -- Safety measures.; Iron mines and mining -- Alabama -- Safety measures.
Notes: "March 1954."

Includes bibliographical references.

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