Ries, Heinrich,  1871-1951. <br/><br/>
High-grade clays of the eastern United States,  with notes on some western clays, 
by H. Ries, W. S. Bayley, and others. 
 - Washington,  Govt. print. off.,  1922. 
 - xiv, 314 p.  illus., xxx pl. (part fold.; incl. maps) tables.  23 cm. 
 - U.S. Geological survey.  Bulletin 708 .
<br/><br/>Bibliographical foot-notes. 
<br/><br/><label>LCCN: </label>gs 22000405  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clay--United States
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 708