Johnston, Joanne L. <br/><br/>
Instrumentation procedures for fully grouted rock bolts / 
by Joanne L. Johnston and Dennis J. Cox. 
 - Washington, D.C. :  United States Dept. of the Interior, Bureau of Mines,  1993. 
 - 10 p. :  ill. ;  29 cm. 
 - Information circular / Bureau of Mines;  9341 .
 - Information circular (United States. Bureau of Mines) ;  9341. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>92029982  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mine roof bolting.<br/>Rock bolts.
<br/><br/><label>LC Class. No.: </label>TN295  TN289.3  / .U4 no. 9341 
<br/><br/><label>Dewey Class. No.: </label>622 s  622/.28