Ries, Heinrich,  1871-1951. <br/><br/>
Preliminary report on the clays of Alabama, 
by Heinrich Ries, PH. D. 
 - Jacksonville, Fla.,  The Vance printing co., state printers and binders,  1900. 
 - viii, 220 p.  23 cm. 
 - Alabama. [State geologist] Bulletin  no. 6 .
<br/><br/> At head of title: Geological survey of Alabama... 
<br/><br/><label>LCCN: </label>gs 05000392  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clay--Alabama.
<br/><br/><label>LC Class. No.: </label>QE81  / .A15 no. 6