Australian drillers guide / 
[editor] H.F. Egginton. 
 - Sydney  Australian Drilling Industry Training Committee, Drilling Training Unit  c1982-1983 
 - v.  ill.  15 x 22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boring--Handbooks, manuals, etc.
<br/><br/><label>Dewey Class. No.: </label>622  / .23