- Publication Title:
- Recommended safety standards for shaft sinking.
- Display Title:
- Information circulars. 7810. Recommended safety standards for shaft sinking.
- Series Title:
- Information circulars.
- Corporate Agency Authors:
- Mines Bureau and Interior Dept.
- Sort Author:
- Mines Bureau
- Date:
- Oct. 1957
- Publish Date ISO Format:
- 1957-10-01T00:00:00Z
- Publication Start:
- 19571001
- Publication End:
- 19571031
- Corporate/Agency Author:
- Mines Bureau
- Publication month:
- 3
- Publication year:
- 1957
- SuDoc number:
- I 28.27:(nos.)
- Description:
- [2]leaves+ 21 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:
- January 1958
- Monthly Catalog issue number:
- 756
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1958-01-01T00:00:00Z
- Monthly Catalog entry number:
- 724
- Record start page number:
- 47