Safety audit for aggregate operators
Subtitle: surface metal/nonmetal
Publisher: U.S. Department of Labor, Mine Safety and Health Administration
Published: 1999
Place of publication: Washington, D.C.?]
Language: eng
Number of pages: 12
Subjects: Mine safety
Notes: Cover title.

Shipping list no.: 99-0243-P.

"10/1/98"--P. i.