Operating Regulations to Govern Coal-mining Methods and the Safety and Welfare of Miners on Leased Lands on the Public Domain Under the Act of February 25, 1920 (Public No. 146).
| Author | : United States. Bureau of Mines |
| Publisher | : |
| Total Pages | : 54 |
| Release | : 1921 |
| ISBN-10 | : UOM:39015067294010 |
| ISBN-13 | : |
| Rating | : 4/5 ( Downloads) |
Book Synopsis Operating Regulations to Govern Coal-mining Methods and the Safety and Welfare of Miners on Leased Lands on the Public Domain Under the Act of February 25, 1920 (Public No. 146). by : United States. Bureau of Mines
Download or read book Operating Regulations to Govern Coal-mining Methods and the Safety and Welfare of Miners on Leased Lands on the Public Domain Under the Act of February 25, 1920 (Public No. 146). written by United States. Bureau of Mines and published by . This book was released on 1921 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
