Ojakagas, Richard, <br/><br/>
Schaum's outline of theory and problems of introductory geology 
Richard Ojakagas. 
 - New York  McGraw-Hill  1991. 
 - 294 pages :    illustration ;    28 cm. 
<br/><br/><label>ISBN: </label>0070477043 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Outlines, syllabi, etc.<br/>Geology--Problems, exercises, etc.