Coal mines and mining. Operating regulations to govern coal-mining methods and safety and welfare of miners on leased lands 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 lands 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 lands on public domain, under act of Feb. 25, 1920, public 146 [66th Congress].
Corporate Agency Authors:
Mines Bureau
Sort Author:
Mines Bureau
Date:
[1st edition.] [May, 1921, reprint with changes] 1923
Publish Date ISO Format:
1923-01-01T00:00:00Z
Publication Start:
19230101
Publication End:
19231231
Corporate/Agency Author:
Mines Bureau
Publication month:
13
Publication year:
1923
Description:
48 p.
Notes:
[Changes appear only in index.]
Notes:
[Changes appear only in index.] * For Sale by Superintendent of Documents. Paper, 5c.
Availability:
* For Sale by Superintendent of Documents. Paper, 5c.