- Publication Title:
- Load loss from rock-bolt anchor creep; by Edward W. Parsons and Lars Osen.
- Display Title:
- Report of investigations. 7220. Load loss from rock-bolt anchor creep; by Edward W. Parsons and Lars Osen.
- Series Title:
- Report of investigations.
- Corporate Agency Authors:
- Mines Bureau and Interior Dept.
- Sort Author:
- Mines Bureau
- Authors:
- Parsons, Edward W. and Osen, Lars
- Author place:
- Washington, DC
- Author zip:
- 20240
- Date:
- [Jan. 1969.]
- Publish Date ISO Format:
- 1969-01-01T00:00:00Z
- Publication Start:
- 19690101
- Publication End:
- 19690131
- Corporate/Agency Author:
- Mines Bureau
- Publication month:
- 12
- Publication year:
- 1969
- SuDoc number:
- I 28.23:(nos.)
- Description:
- [3]+26 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
- GPO Item number:
- 637-A
- Monthly Catalog date:
- March 1969
- Monthly Catalog issue number:
- 890
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1969-03-01T00:00:00Z
- Monthly Catalog entry number:
- 4641
- Record start page number:
- 65