Ragan, Donald M. <br/><br/>
Structural geology  : an introduction to geometrical techniques 

 - 2nd ed. 
 - New York :   John Wiley and Sons,  1968. 
 - ix,208p.  : ill.   ; 28cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, structural
<br/><br/><label>LC Class. No.: </label>QTO QE601.R23 1973