Leet, L. Don (Lewis Don), 1901-1974. <br/><br/>
The world of geology 
edited and introduced by L. Don Leet and Florence J. Leet 
 - New York :  McGraw-Hill Book,  1961. 
 - 262 p. :  ill. ;  22 cm. 
<br/><br/><label>LCCN: </label>61-009328 /L/r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology.