Stose, George Willis,  1869-1960. <br/><br/>
Geology and mineral resources of the Middletown quadrangle, Pennsylvania, 
by George W. Stose and Anna I. Jonas. Prepared in cooperation with the Pennsylvania topographic and geologic survey. 
 - Washington,  U.S. Govt. Print Off.,  1933. 
 - v, 86 p.  incl. map, plan, tables, diagrs., 15 pl. (incl. 2 fold. maps, fold. tab.)  23 cm. 
 - U.S. Geological survey. Bulletin 840 .
<br/><br/> At head of title: United States Department of the Interior.  One folded map in pocket. 
<br/><br/>Bibliographical foot-notes. 
<br/><br/><label>LCCN: </label>gs 33000067  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Pennsylvania.<br/>Mines and mineral resources--Pennsylvania.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 840