- Publication Title:
- Signals. Electronic mine-shaft signal system at Magma Copper Co., Superior, Ariz.; by H. C. Loesche.
- Display Title:
- Signals. Electronic mine-shaft signal system at Magma Copper Co., Superior, Ariz.; by H. C. Loesche.
- Corporate Agency Authors:
- Mines Bureau and Interior Department
- Sort Author:
- Mines Bureau
- Authors:
- Loesche, H. C.
- Date:
- Apr. 1945
- Publish Date ISO Format:
- 1945-04-01T00:00:00Z
- Publication Start:
- 19450401
- Publication End:
- 19450430
- Corporate/Agency Author:
- Mines Bureau
- Publication month:
- 9
- Publication year:
- 1945
- SuDoc number:
- I 28.27:7318
- Description:
- [1]+4 p. 2 pl. 4°
- Notes:
- (Information circular, I. C. 7318.) [Processed.]
- Notes:
- (Information circular, I. C. 7318.) [Processed.] † Distribution Made by Issuing Office.
- Availability:
- † Distribution Made by Issuing Office.
- Monthly Catalog date:
- June 1945
- Monthly Catalog issue number:
- 605
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1945-06-01T00:00:00Z
- Record start page number:
- 613