| Title | DM Chapter 14.3, Article 14, Section 45.1-161.221.D, Coursing of Air |
| Document ID | DM-G-161.221 |
| Summary | Guidelines addressing ventilation changes and coursing of air in underground coal mines. |
| Effective Date | 4/10/2000 |
View document text
Posted On 11/25/2002
Document on Town Hall
|
|