Fraley, J. E.,  1947- <br/><br/>
Bolt anchorage with gypsum-plaster water capsule cartridges / 
by J.E. Fraley and M.O. Serbousek. 
 - [Avondale, Md.] :  U.S. Dept. of the Interior, Bureau of Mines,  1987. 
 - iv, 23 p. :  ill. ;  28 cm. 
 - Report of investigations ;  9067 .
 - Report of investigations (United States. Bureau of Mines) ;  9067. .
<br/><br/>Bibliography: p. 21. 
<br/><br/><label>LCCN: </label>86600260  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mine roof bolting.<br/>Grouting--Testing.<br/>Gypsum--Testing.<br/>Mine roof bolts, Resin.
<br/><br/><label>LC Class. No.: </label>TN23  TN289.3  / .U43 no. 9067 
<br/><br/><label>Dewey Class. No.: </label>622 s  622/.28 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.23:9067