- Publication Title:
- Study of air and rock vibrations produced by impact testing of mine roof; by P. N. Summerfield.
- Display Title:
- Report of investigations. 5251. Study of air and rock vibrations produced by impact testing of mine roof; by P. N. Summerfield.
- Series Title:
- Report of investigations.
- Corporate Agency Authors:
- Mines Bureau and Interior Dept.
- Sort Author:
- Mines Bureau
- Authors:
- Summerfield, P. N.
- Date:
- Aug. 1956
- Publish Date ISO Format:
- 1956-08-01T00:00:00Z
- Publication Start:
- 19560801
- Publication End:
- 19560831
- Corporate/Agency Author:
- Mines Bureau
- Publication month:
- 5
- Publication year:
- 1956
- SuDoc number:
- I 28.23:(nos.)
- Description:
- [1]+11+37 p. il. 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:
- November 1956
- Monthly Catalog issue number:
- 742
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1956-11-01T00:00:00Z
- Monthly Catalog entry number:
- 19203
- Record start page number:
- 70