Berryhill, Henry L.  1921- <br/><br/>
Geology of the Ciales quadrangle, Puerto Rico, 
by Henry L. Berryhill, Jr. 
 - Washington,  U.S. Govt. Print. Off.,  1965. 
 - vi, 116 p.  illus. (1 col.) maps (1 col.)  24 cm. 
<br/><br/> Part of illustrative matter fold. in pocket.  Prepared in cooperation with the Commonwealth of Puerto Rico Economic Development Administration, Industrial Research Department. 
<br/><br/>Bibliography: p. 111-112. 
<br/><br/><label>LCCN: </label>gs 65000210  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Puerto Rico--Ciales quadrangle
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 1184