Elans, I. O. <br/><br/>
The observer's book of Geology / 
by I. O. Elans ; foreword by H. L. Hawkins 
 - London :  Frederick Warne,  [n.d.] 
 - 272 p. :  ill. ;  14 cm. 
 - The observer's pocket series .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 5.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology<br/>Fossils<br/>Minerals<br/>Rocks
<br/><br/><label>Dewey Class. No.: </label>550