Report of investigations. 7092. Changes in breaking strength of model rock pillars resulting from end constraint [with list of references]; by Clarence O. Babcock.
Publication Title:
Changes in breaking strength of model rock pillars resulting from end constraint [with list of references]; by Clarence O. Babcock.
Display Title:
Report of investigations. 7092. Changes in breaking strength of model rock pillars resulting from end constraint [with list of references]; by Clarence O. Babcock.
Series Title:
Report of investigations.
Corporate Agency Authors:
Mines Bureau and Interior Dept.
Sort Author:
Mines Bureau
Authors:
Babcock, Clarence O.
Author place:
Washington, DC
Author zip:
20240
Date:
[Mar. 1968.]
Publish Date ISO Format:
1968-03-01T00:00:00Z
Publication Start:
19680301
Publication End:
19680331
Corporate/Agency Author:
Mines Bureau
Publication month:
10
Publication year:
1968
SuDoc number:
I 28.23:(nos.)
Description:
iv+19 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