McIntyre, David H. <br/><br/>
Cretaceous and Lower Tertiary stratigraphy in Northwestern and Puerto Rico, 
by David H. Mcintyre, John M. Aaron and Othmer T. Tobisch 
 - Washington,  United States Government Printing Office,  1970 
 - 15 p.  ill., maps (1 fold. col. in pocket)  24 cm. 
 - Geological Survey bulletin 1294-D .
<br/><br/> Work done in cooperation with the Department of Industrial Research, Puerto Rico Economic Development Commission 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Cretaceous<br/>Geology, Stratigraphic--Tertiary<br/>Geology--Puerto Rico
<br/><br/><label>Dewey Class. No.: </label>551.77