Applicability of radio to emergency mine communications : progress report, September 1946 to November 1947 / by E.W. Felegy and E.J. Coggeshall.

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Bibliographic Details
Online Access: Search for the full-text version of this title in HathiTrust
Main Author: Felegy, E. W.
Other Authors: Coggeshall, E. J. (Earl Jeffries), 1902-
Format: Government Document Book
Language:English
Published: [Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, [1948]
Series:Report of investigations (United States. Bureau of Mines) ; 4294.
Subjects:

MARC

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245 1 0 |a Applicability of radio to emergency mine communications :  |b progress report, September 1946 to November 1947 /  |c by E.W. Felegy and E.J. Coggeshall. 
260 |a [Washington, D.C.] :  |b U.S. Dept. of the Interior, Bureau of Mines,  |c [1948] 
300 |a 56 pages, 17 unnumbered leaves of plates (2 folded) :  |b illustrations ;  |c 27 cm. 
336 |a text  |b txt  |2 rdacontent. 
337 |a unmediated  |b n  |2 rdamedia. 
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490 1 |a Report of investigations / United States Department of the Interior, Bureau of Mines ;  |v 4294. 
500 |a Cover title. 
500 |a "May 1948." 
504 |a Includes bibliographical references (pages 55-56) 
650 0 |a Radio in mining.  |0 http://id.loc.gov/authorities/subjects/sh85110493. 
650 0 |a Mine communication systems.  |0 http://id.loc.gov/authorities/subjects/sh85085499. 
650 0 |a Mine safety  |x Equipment and supplies.  |0 http://id.loc.gov/authorities/subjects/sh85085533. 
700 1 |a Coggeshall, E. J.  |q (Earl Jeffries),  |d 1902- 
830 0 |a Report of investigations (United States. Bureau of Mines) ;  |v 4294.  |0 http://id.loc.gov/authorities/names/n42021077. 
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