Information circulars. 8001. American standard practice for rock-dusting underground bituminous coal and lignite mines to prevent coal-dust explosions (ASA standard M13.1-1960, UDC 622.81), sponsored by Bureau of Mines.
Publication Title:
American standard practice for rock-dusting underground bituminous coal and lignite mines to prevent coal-dust explosions (ASA standard M13.1-1960, UDC 622.81), sponsored by Bureau of Mines.
Display Title:
Information circulars. 8001. American standard practice for rock-dusting underground bituminous coal and lignite mines to prevent coal-dust explosions (ASA standard M13.1-1960, UDC 622.81), sponsored by Bureau of Mines.
Series Title:
Information circulars.
Corporate Agency Authors:
Mines Bureau and Interior Dept.
Sort Author:
Mines Bureau
Date:
[1960.]
Publish Date ISO Format:
1960-01-01T00:00:00Z
Publication Start:
19600101
Publication End:
19601231
Corporate/Agency Author:
Mines Bureau
Publication month:
13
Publication year:
1960
SuDoc number:
I 28.27:(nos.)
Description:
[5]+5 p. 4°
Notes:
[Processed. Revision of American recommended practice for rockdusting coal mines to prevent coal-dust explosions, M13, approved Dec. 30, 1925, reaffirmed May 20, 1942. This revised standard (M13.1-1960) was approved by American Standards Association Sept. 13, 1960.]
Notes:
[Processed. Revision of American recommended practice for rockdusting coal mines to prevent coal-dust explosions, M13, approved Dec. 30, 1925, reaffirmed May 20, 1942. This revised standard (M13.1-1960) was approved by American Standards Association Sept. 13, 1960.] † Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, Pa.
Availability:
† Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, Pa.