Ultra low frequency electromagnetic fire alarm system for underground mines
(Book)

Book Cover
Author
Hjelmstad, Kenneth E.
Contributors
Pomroy, William H.
Published
Washington, D.C. (2401 E St., N.W., MS #9800, Washington 20241-0001) : U.S. Dept. of the Interior, Bureau of Mines, 1991.
Physical Description
11 pages : illustrations ; 28 cm.
Status
On Shelf
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Summary

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Copies

LocationCall NumberStatus
Wyoming State Library - Microform CabinetsI 28.23:9377On Shelf

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Subjects

Library of Congress Subjects
ELF electromagnetic fields.
Fire alarms.
Mine fires -- Prevention and control.

More Details

Format
Book
Language
English
Notes
Bibliography
Includes bibliographical references (page 11).

Citations

APA Citation, 7th Edition (Style Guide)

Hjelmstad, K. E., & Pomroy, W. H. (1991). Ultra low frequency electromagnetic fire alarm system for underground mines. U.S. Dept. of the Interior, Bureau of Mines.

Chicago / Turabian - Author Date Citation, 18th Edition (Style Guide)

Hjelmstad, Kenneth E and William H. Pomroy. 1991. Ultra Low Frequency Electromagnetic Fire Alarm System for Underground Mines. U.S. Dept. of the Interior, Bureau of Mines.

Chicago / Turabian - Humanities (Notes and Bibliography) Citation, 18th Edition (Style Guide)

Hjelmstad, Kenneth E and William H. Pomroy. Ultra Low Frequency Electromagnetic Fire Alarm System for Underground Mines. U.S. Dept. of the Interior, Bureau of Mines, 1991.

UCL Harvard Citation (Style Guide)

Hjelmstad, K. E. and Pomroy, W. H. (1991). Ultra low frequency electromagnetic fire alarm system for underground mines. Washington, D.C. (2401 E St., N.W., MS #9800, Washington 20241-0001): U.S. Dept. of the Interior, Bureau of Mines.

MLA Citation, 9th Edition (Style Guide)

Hjelmstad, Kenneth E., and William H Pomroy. Ultra Low Frequency Electromagnetic Fire Alarm System for Underground Mines. U.S. Dept. of the Interior, Bureau of Mines, 1991.

Note: Citations contain only title, author, edition, and publisher. Only UCL Harvard citations contain the year published. Citations should be used as a guideline and should be double checked for accuracy. Citation formats are based on standards as of May 2025.