Report of investigations. 4922. Modified longwall mining with Gorman coal planer (plow) in Pocahontas no. 4 coal bed, Helen, W. Va., by Wilbur A. Haley, James J. Dowd, and Louis A. Turnbull.
Publication Title:
Modified longwall mining with Gorman coal planer (plow) in Pocahontas no. 4 coal bed, Helen, W. Va., by Wilbur A. Haley, James J. Dowd, and Louis A. Turnbull.
Display Title:
Report of investigations. 4922. Modified longwall mining with Gorman coal planer (plow) in Pocahontas no. 4 coal bed, Helen, W. Va., by Wilbur A. Haley, James J. Dowd, and Louis A. Turnbull.
Series Title:
Report of investigations.
Corporate Agency Authors:
Mines Bureau and Interior Dept.
Sort Author:
Mines Bureau
Authors:
Haley, Wilbur A., Dowd, James J., and Turnbull, Louis A.
Date:
Oct. 1952
Publish Date ISO Format:
1952-10-01T00:00:00Z
Publication Start:
19521001
Publication End:
19521031
Corporate/Agency Author:
Mines Bureau
Publication month:
3
Publication year:
1952
SuDoc number:
I 28.23:(nos.)
Description:
[2] leaves+ii+13 p. 10 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.