- Additional Authors
- Description
- 11 p. : ill.; 28 cm.
- Series Statement
- Report of investigations ; 9377
- Uniform Title
- Report of investigations (United States. Bureau of Mines) ; 9377.
- Subject
- Note
- Distributed to depository libraries in microfiche.
- Bibliography (note)
- Includes bibliographical references (p. 11).
- Call Number
- READEX Microfiche I 28.23:9377
- LCCN
- 91010026
- OCLC
- marcive23179789
- Author
Hjelmstad, Kenneth E.
- Title
Ultra low frequency electromagnetic fire alarm system for underground mines / by K.E. Hjelmstad and W.H. Pomroy.
- Imprint
Washington, D.C. (2401 E St., N.W., Washington 20241-0001) : U.S. Dept. of the Interior, Bureau of Mines, 1991.
- Series
Report of investigations ; 9377
Report of investigations (United States. Bureau of Mines) ; 9377.
- Bibliography
Includes bibliographical references (p. 11).
- Added Author
Pomroy, William H.
United States. Bureau of Mines.
- Gpo Item No.
0637-A (MF)
- Sudoc No.
I 28.23:9377
- Research Call Number
READEX Microfiche I 28.23:9377