Condit, Daniel Dale,  1886- <br/><br/>
Economic geology of the Summerfield and Woodsfield quadrangles, Ohio,  with descriptions of coal and other mineral resources except oil and gas, 
by D. Dale Condit. 
 - Washington,  U.S. Govt. Print. Off.,  1923. 
 - 156p.  XII pl. (part fold., incl. maps) tables, diagrs.  24 cm. 
<br/><br/> At head of title: Department of the Interior.  Colored maps folded in pocket.  Many plates printed on both sides of leaf. 
<br/><br/>Bibliography: p. 6. 
<br/><br/><label>LCCN: </label>gs 23000086  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Economic<br/>Mines and mineral resources--Ohio
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 720