McGrain, Preston,  1917- <br/><br/>
High-silica sandstone and conglomerate on Pine Mountain near Elkhorn City, Kentucky 
[by] Preston McGrain and Thomas J. Crawford. 
 - Lexington,  1959. 
 - 5 l.  map, tables.  28 cm. 
 - Information circular (Kentucky Geological Survey) ;  Ser. X, 1 .
<br/><br/> Cover title. 
<br/><br/>"Suggested references": leaf 5. 
<br/><br/><label>LCCN: </label>gs 59000101 //r942 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Silica.<br/>Sandstone--Kentucky--Pine Mountain.<br/>Conglomerate.
<br/><br/><label>LC Class. No.: </label>QE115  / .K417 no. 1, 1959