Willard, Bradford,  1894- <br/><br/>
Guide to the geology from Dauphin to Sunbury, 
by Bradford Willard. 
 - Harrisburg, Pa.,  Department of internal affairs, Topographic and geologic survey,  1939. 
 - 24 p.  illus., tables, fold. map.  23 cm. 
 - Bulletin G,  13 .
<br/><br/> At head of title: Pennsylvania Geological survey, Fourth series.  On cover: Commonwealth of Pennsylvania. Department of internal affairs. 
<br/><br/>"List of references": p. 18-19. 
<br/><br/><label>LCCN: </label>gs 39000357  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Pennsylvania.
<br/><br/><label>LC Class. No.: </label>QE158.S8  / W5