Permissible mine equipment approved during 1957-58
By: by E.J. Glein and F.R. Lee.
Contributors: Lee, F. R.; United States. Bureau of Mines.
Series: Information circular (United States. Bureau of Mines) -- 7957
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1960
Place of publication: Washington, DC
Language: eng
Subjects: Mining machinery.; Mine safety.
Notes: 1