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

Shipping list no.: 99-0243-P

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