Crosby, W.A. <br/><br/>
Drilling and blasting in open pits and quaries / 
by W.A. Crosby 
 - Brisbane :  Australian Mineral Foundation,  1981 
 - 1 v., various pagings :  ill. ;  31 cm. 
 - Workshop course  153/81 .
<br/><br/> Theser course notes were presentedat a Workshop Course held by Australian Mineral Foundation Incorporated, 1981 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boring