Report of investigations. 5028. Roof movement study of mechanized retreating longwall operation, Lancashire no. 15 mine, Bakerton, Cambria County, Pa. [with bibliography]; by A. J. Barry and J. J. Wojciechowski.
Publication Title:
Roof movement study of mechanized retreating longwall operation, Lancashire no. 15 mine, Bakerton, Cambria County, Pa. [with bibliography]; by A. J. Barry and J. J. Wojciechowski.
Display Title:
Report of investigations. 5028. Roof movement study of mechanized retreating longwall operation, Lancashire no. 15 mine, Bakerton, Cambria County, Pa. [with bibliography]; by A. J. Barry and J. J. Wojciechowski.
Series Title:
Report of investigations.
Corporate Agency Authors:
Mines Bureau and Interior Dept.
Sort Author:
Mines Bureau
Authors:
Barry, A. J. and Wojciechowski, J. J.
Date:
Jan. 1954
Publish Date ISO Format:
1954-01-01T00:00:00Z
Publication Start:
19540101
Publication End:
19540131
Corporate/Agency Author:
Mines Bureau
Publication month:
12
Publication year:
1954
SuDoc number:
I 28.23:(nos.)
Description:
[1]+ii+13 p. 16 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.