| 其他書名 | Underground Coal Mine Explosion, Greenwich Collieries No. 1 Mine, I.D. No. 36-02405 : Greenwich Collieries Division of Pennsylvania Mines Corporation, Green Township, Indiana County Pennsylvania, February 16, 1984 |
| 出版 | U.S. Department of Labor, Mine Safety and Health Administration, Office of the Administrator, Coal Mine Safety and Health, 1985 |
| URL | http://books.google.com.hk/books?id=mLzeGSzvzjwC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |