O'Harra, Cleophas C.  1866-1935. <br/><br/>
The Badland formations of the Black Hills region, 
by Cleophas C. O'Harra. 
 - Rapid City, S. Dak.,  1910. 
 - 2 p. l., [7], [11]-152 p.  ill., 50 pl. (incl. fold. map)  23 cm. 
 - South Dakota school of mines.  Bulletin no. 9.  Department of geology. .
<br/><br/>Bibliography: p. 135-144. 
<br/><br/><label>LCCN: </label>gs 10000618  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--South Dakota.<br/>Geology, Stratigraphic--Tertiary.<br/>Vertebrates, Fossil.
<br/><br/><label>LC Class. No.: </label>TN24.S8  / A3 No. 9 
<br/><br/><label>Dewey Class. No.: </label>(265) S2b no.9