Clarke, Frank Wigglesworth,  1847-1931. <br/><br/>
The data of geochemistry / 
by Frank Wigglesworth Clarke. 
 - 2d edition. 
 - Washinton,  Govt. Print. Off.,  1911. 
 - 782 p. ;  24 cm. 
 - U.S. Geological survey. Bulletin 491 .
 - United States.  Geological Survey.  Bulletin ;  491. .
<br/><br/> "The first edition of this volume was published in 1908 as Bulletin 330 of the United States Geological survey. The work has been revised and enlarged for the present edition." - Foot-note, p. 9  Includes index. 
<br/><br/>Bibliographical foot-notes. 
<br/><br/><label>LCCN: </label>gs 11000593  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geochemistry.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9