Tank, Ronald Warren <br/><br/>
Focus on environmental geology :  a colection of case histories and readings from original sources / 
selected and edited by Ronald Tank 
 - 2nd ed. 
 - New York  :  Oxford University Press,  1976 
 - 538 p.  :  ill.  ;  24 cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>LCCN: </label>75-007359 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural disasters<br/>Geology<br/>Mines and mineral resources<br/>Conservation of natural resources