Butts, Charles,  1863-1946. <br/><br/>
Geology of the Appalachian valley in Virginia, 
by Charles Butts ... Prepared in cooperation with the United States Geological survey. 
 - University, Va.,  1940- 
 - v.  illus. (incl. maps) plates (part fold.) port.  23 cm. 
 - Virginia. Geological survey. Bulletin  52 .
 - Bulletin (Virginia Geological Survey)  52, .
<br/><br/> At head of title: Commonwealth of Virginia. Virginia Conservation Commission. Virginia Geological survey, Arthur Bevan, state geologist. 
<br/><br/>Bibliographical foot-notes. 
<br/><br/>pt. 1. Geologic text and illustrations.--pt. II. Fossil plates and explanations. 
<br/><br/><label>LCCN: </label>gs 41000115  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Virginia.
<br/><br/><label>LC Class. No.: </label>QE173  / .A2 no. 52