Description
Published:-1977.
Physical Description:volumes : illustrations ; 27 cm.
Publication Frequency:Annual
ISSN:0271-9622
0271-9630
Portion of Title:Injury experience in the nonmetallic mineral industries
Issuing Body Note:Issued by: U.S. Mining Enforcement and Safety Administration, <1972->; by: U.S. Mine Safety and Health Administration, <1976>-1977.