Coal and metal and nonmetal entry level training : student text material.
| Author/creator | United States |
| Format | Book |
| Edition | Rev. 2007. |
| Publication Info | [Washington, D.C.] : U.S. Dept. of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy, 2007. |
| Description | i, 50 pages : illustrations ; 28 cm. |
| Subjects |
| Variant title | At head of title: 30 CFR part 50 |
| Series | Course of instruction series ; Ci 30a Course of instruction series ; Ci 30a. ^A566460 |
| General note | Shipping list no.: 2007-0201-P. |
| GPO item number | 0637-K-02 |
| Govt. docs number | L 38.8:C 63/8/2007/STUD./REV. |