Clarke, Frank Wigglesworth,  1847-1931. <br/><br/>
Analysis of rocks and minerals from the laboratory of the United States Geological survey, 1880 to 1908. 

 -  Govt. Print. Off.,  1910. 
 - 323 p. 
<br/><br/><label>LCCN: </label>gs 10000117  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks--Analysis.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 419