Waddell, Galen G. <br/><br/>
Technique of measuring initial deformation around an opening  analysis of two raise-bore tests 

 - Washington  Bureau of Mines  1971 
 - ii, 60 p.  il  26 cm 
 - RI  7505 .
<br/><br/> Bibliography: p. 34-35. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>borings
<br/><br/><label>Subjects--Index Terms: </label>Tunneling Mining engineering 
<br/><br/><label>Universal Decimal Class. No.: </label>622