Report of investigations. 7406. In situ tests of bearing capacity of roof and floor in selected bituminous coal mines, progress report, longwall mining [with list of references]; by A. J. Barry and Oscar B. Nair.
Publication Title:
In situ tests of bearing capacity of roof and floor in selected bituminous coal mines, progress report, longwall mining [with list of references]; by A. J. Barry and Oscar B. Nair.
Display Title:
Report of investigations. 7406. In situ tests of bearing capacity of roof and floor in selected bituminous coal mines, progress report, longwall mining [with list of references]; by A. J. Barry and Oscar B. Nair.
Series Title:
Report of investigations.
Corporate Agency Authors:
Mines Bureau and Interior Dept.
Sort Author:
Mines Bureau
Authors:
Barry, A. J. and Nair, Oscar B.
Author place:
Washington, DC
Author zip:
20240
Date:
June 1970
Publish Date ISO Format:
1970-06-01T00:00:00Z
Publication Start:
19700601
Publication End:
19700630
Corporate/Agency Author:
Mines Bureau
Publication month:
7
Publication year:
1970
SuDoc number:
I 28.23:(nos.)
Description:
[3]+20 p. il. 4°
Notes:
• Sent to Depository Libraries. Item 637-A
Availability:
† Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, PA 15213 and • Sent to Depository Libraries. Item 637-A