Report of investigations. 5053. Incombustible required on floor and on rib-roof surfaces of coal mines to prevent propagation of explosions; by Irving Hartmann, John Nagy, and F. P. Christofel.
Publication Title:
Incombustible required on floor and on rib-roof surfaces of coal mines to prevent propagation of explosions; by Irving Hartmann, John Nagy, and F. P. Christofel.
Display Title:
Report of investigations. 5053. Incombustible required on floor and on rib-roof surfaces of coal mines to prevent propagation of explosions; by Irving Hartmann, John Nagy, and F. P. Christofel.
Series Title:
Report of investigations.
Corporate Agency Authors:
Mines Bureau and Interior Dept.
Sort Author:
Mines Bureau
Authors:
Hartmann, Irving, Nagy, John, and Christofel, F. P.
Date:
Apr. 1954
Publish Date ISO Format:
1954-04-01T00:00:00Z
Publication Start:
19540401
Publication End:
19540430
Corporate/Agency Author:
Mines Bureau
Publication month:
9
Publication year:
1954
SuDoc number:
I 28.23:(nos.)
Description:
[2] leaves+7 p. 4 p. of pl. 4°
Notes:
[Processed.]
Notes:
[Processed.] † Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, Pa.
Availability:
† Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, Pa.