Noise control of diesel-powered underground mining machines, 1979 / 
compiled by J. H. Daniel, ...[et al]. 
 - [Washington, D.C.] :  United States Department of the Interior, Bureau of Mines,  1979. 
 - ii, 29 p. :  ill. 
 - Information circular /Bureau of mines .
 - Information circular (United States. Bureau of mines ) ;  8837 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mining machinery--Noise.<br/>Diesel motor--Noise.<br/>Noise--Physiological effect.