Munn, Malcolm John,  1874- <br/><br/>
Geology of the oil and gas fields of the Clarion quadrangle, 
by M. J. Munn. Surveyed in cooperation with the United States Geological Survey. 
 - Harrisburg,  C. E. Aughinbaugh,  1910. 
 - 112 p.  9 (i.e. 10) plates (part fold., incl. maps)  24 cm. 
<br/><br/><label>LCCN: </label>gs 11000345  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum--Geology--Pennsylvania--Clarion quadrangle.<br/>Petroleum--Pennsylvania--Clarion quadrangle.<br/>Natural gas--Pennsylvania--Clarion quadrangle.
<br/><br/><label>LC Class. No.: </label>GA61.P4  / A5 no. 3