Munn, Malcolm John,  1874-    . <br/><br/>
Geology of the oil and gas fields in Sewickley quadrangle, 
by M. J. Munn. Surveyed in co-operation with the United States Geological survey. 
 - Harrisburg,  C. E. Aughinbaugh, printer to the stae of Pennsylvania,  1910. 
 - 172 p. . pl. (part fold., incl. maps) fold. tab.  24 cm. 
 - Pennsylvania. Topographic and geologic survey. Report  no. 1 .
<br/><br/> "Introduction, by I. C. White": p. 13-23. 
<br/><br/><label>LCCN: </label>gs 11000344  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum--Geology--Pennsylvania.<br/>Natural gas--Pennsylvania.
<br/><br/><label>LC Class. No.: </label>GA61.P4  / A5 no. 1