Report of investigations. 5062. Modified longwall mining with German coal planer, progress report 2, Completion of mining in 3 adjacent panels in Pocahontas no. 4 bed, Helen, W. Va.; by W. A. Haley and H. A. Quenon.
Publication Title:
Modified longwall mining with German coal planer, progress report 2, Completion of mining in 3 adjacent panels in Pocahontas no. 4 bed, Helen, W. Va.; by W. A. Haley and H. A. Quenon.
Display Title:
Report of investigations. 5062. Modified longwall mining with German coal planer, progress report 2, Completion of mining in 3 adjacent panels in Pocahontas no. 4 bed, Helen, W. Va.; by W. A. Haley and H. A. Quenon.
Series Title:
Report of investigations.
Corporate Agency Authors:
Mines Bureau and Interior Dept.
Sort Author:
Mines Bureau
Authors:
Haley, W. A. and Quenon, H. A.
Date:
June 1954
Publish Date ISO Format:
1954-06-01T00:00:00Z
Publication Start:
19540601
Publication End:
19540630
Corporate/Agency Author:
Mines Bureau
Publication month:
7
Publication year:
1954
SuDoc number:
I 28.23:(nos.)
Description:
[2] leaves+13 p. il. 4°
Notes:
[Processed.]
Notes:
[Processed.] † Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, Pa.
Availability:
† Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, Pa.