- Publication Title:
- Application of large-hole burn cut in room-and-pillar mining; by Robert L. Schmidt [and others).
- Display Title:
- Report of investigations. 7994. Application of large-hole burn cut in room-and-pillar mining; by Robert L. Schmidt [and others).
- Series Title:
- Report of investigations.
- Corporate Agency Authors:
- Mines Bureau and Interior Dept.
- Sort Author:
- Mines Bureau
- Authors:
- Schmidt, Robert L.
- Author place:
- Washington, DC
- Author zip:
- 20240
- Date:
- [1975.]
- Publish Date ISO Format:
- 1975-01-01T00:00:00Z
- Publication Start:
- 19750101
- Publication End:
- 19751231
- Corporate/Agency Author:
- Mines Bureau
- Publication month:
- 13
- Publication year:
- 1975
- SuDoc number:
- I 28.23:7994
- Description:
- [2]+ii+25 p. il. 4°
- Notes:
- + Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, PA 15213 • Sent to Depository Libraries. Item 637-A
- Availability:
- + Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, PA 15213 • Sent to Depository Libraries. Item 637-A
- GPO Item number:
- 637-A
- Monthly Catalog date:
- April 1975
- Monthly Catalog issue number:
- 963
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1975-04-01T00:00:00Z
- Monthly Catalog entry number:
- 05605
- Record start page number:
- 61