Ragan, Donald M. <br/><br/>
Structural geology: an introduction to geometrical techniques 
Donald M. Ragan 
 - New York :  John Wiley and Sons,  1973 
 - ix,208p.  ill.   27cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>LC Class. No.: </label>QTO QE601.R23 1973