- Publication Title:
- Falls of roof, no. 1 killer in bituminous-coal mines; by J. J. Forbes, T. L. Back, and H. F. Weaver.
- Display Title:
- Information circulars. 7605. Falls of roof, no. 1 killer in bituminous-coal mines; by J. J. Forbes, T. L. Back, and H. F. Weaver.
- Series Title:
- Information circulars.
- Corporate Agency Authors:
- Mines Bureau and Interior Dept.
- Sort Author:
- Mines Bureau
- Authors:
- Forbes, J. J., Back, T. L., and Weaver, H. F.
- Date:
- May 1951
- Publish Date ISO Format:
- 1951-05-01T00:00:00Z
- Publication Start:
- 19510501
- Publication End:
- 19510531
- Corporate/Agency Author:
- Mines Bureau
- Publication month:
- 8
- Publication year:
- 1951
- SuDoc number:
- I 28.27:(nos.)
- Description:
- [2] leaves+11 p. 4°
- Notes:
- [Processed.]
- Notes:
- [Processed.] † Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, Pa.
- Availability:
- † Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, Pa.
- Monthly Catalog date:
- July 1951
- Monthly Catalog issue number:
- 678
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1951-07-01T00:00:00Z
- Monthly Catalog entry number:
- 11561
- Record start page number:
- 51