Coal mines and mining. Operating regulations to govern coal-mining methods and safety and welfare of miners on leased hinds on public domain, under act of Feb. 25, 1920, public 146 [66th Congress].
Publication Title:
Coal mines and mining. Operating regulations to govern coal-mining methods and safety and welfare of miners on leased hinds on public domain, under act of Feb. 25, 1920, public 146 [66th Congress].
Display Title:
Coal mines and mining. Operating regulations to govern coal-mining methods and safety and welfare of miners on leased hinds on public domain, under act of Feb. 25, 1920, public 146 [66th Congress].
Corporate Agency Authors:
Mines Bureau and Interior Department
Sort Author:
Mines Bureau
Date:
[1st edition.] [May] 1921
Publish Date ISO Format:
1921-05-01T00:00:00Z
Publication Start:
19210501
Publication End:
19210531
Corporate/Agency Author:
Mines Bureau
Publication month:
8
Publication year:
1921
Description:
48 p.
Notes:
* For Sale by Superintendent of Documents. Paper, 5c.
Availability:
* For Sale by Superintendent of Documents. Paper, 5c.