Coal and metal and nonmetal entry level training : student text material.

Author/creator United States
Format Book
EditionRev. 2007.
Publication Info[Washington, D.C.] : U.S. Dept. of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy, 2007.
Descriptioni, 50 pages : illustrations ; 28 cm.
Subjects

Variant title At head of title: 30 CFR part 50
SeriesCourse of instruction series ; Ci 30a
Course of instruction series ; Ci 30a. ^A566460
General noteShipping list no.: 2007-0201-P.
GPO item number0637-K-02
Govt. docs number L 38.8:C 63/8/2007/STUD./REV.