ID - 134968301 TI - Program policy manual PY - 1988 PB - [Washington, D.C.?] : Department of Labor, Mine Safety and Health Administration, DB - UniCat KW - Mining law KW - Mines and mineral resources KW - Safety regulations KW - United States. UR - https://www.unicat.be/uniCat?func=search&query=sysid:134968301 AB - ER -