Butts, Charles,  1863-1946. <br/><br/>
The Mississippian series of eastern Kentucky.  A regional interpretation of the stratigraphic relations of the sub-carboniferous group based on new and detailed field examinations, 
by Charles Butts ... Prepared in cooperation with the United States Geological Survey. Illustrated with 93 photographs, maps and diagrams. 
 - 1st ed. ... 
 - Frankfort, Ky.,  The Kentucky Geological Survey,  1922. 
 - vii p., 1 l., 188 p.  front., illus., plates, tables, fold. diagrs.  24 cm. 
 - Kentucky. Geological Survey, 1920-1932. ser. 6. [Geologic reports]  v. 7 .
<br/><br/><label>LCCN: </label>gs 23000012  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Kentucky.<br/>Geology, Stratigraphic--Carboniferous.
<br/><br/><label>LC Class. No.: </label>QE672  / .B8