Legget Robert <br/><br/>
Geology and Engineering 

 - 3 
 -  1988 
 - xviii, 613p  cm. 
<br/><br/><label>Standard No.: </label>78709 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>H0D, K21;M8