- Publication Title:
- Development of rotary test drill; by Fred D. Wright and Lewis H. Brakel.
- Display Title:
- Reports of investigations. 4864. Development of rotary test drill; by Fred D. Wright and Lewis H. Brakel.
- Series Title:
- Reports of investigations.
- Corporate Agency Authors:
- Mines Bureau and Interior Dept.
- Sort Author:
- Mines Bureau
- Authors:
- Wright, Fred D. and Brakel, Lewis H.
- Date:
- Apr. 1952
- Publish Date ISO Format:
- 1952-04-01T00:00:00Z
- Publication Start:
- 19520401
- Publication End:
- 19520430
- Corporate/Agency Author:
- Mines Bureau
- Publication month:
- 9
- Publication year:
- 1952
- SuDoc number:
- I 28.23:(nos.)
- Description:
- [3]+8 p. 5 pl. 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:
- June 1952
- Monthly Catalog issue number:
- 689
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1952-06-01T00:00:00Z
- Monthly Catalog entry number:
- 9509
- Record start page number:
- 63