Monroe, Watson Hiner,  1907- <br/><br/>
Geology of the middle Tertiary formations of Puerto Rico :  a description of the stratigraphy and structure of Oligocene and Miocene age near the northern and southern coasts of Puerto Rico / 
by Watson H. Monroe ; prepared in cooperation with the Commonwealth of Puerto Rico, Economic Development Administration, Industrial Research Department and Department of Natural Resources 
 - Washington, D.C. :  United States Government Printing Office,  1980 
 - iv, 93 p. :  ill. (fold. in pocket) ;  29 cm. 
 - Geological Survey professional paper ;  no.953 .
<br/><br/> Includes index 
<br/><br/>Bibliography: p. 90-93 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Oligocene<br/>Geology, Stratigraphic--Miocene<br/>Geology--Puerto Rico<br/>Formations (Geology)--Puerto Rico
<br/><br/><label>Dewey Class. No.: </label>551.78