Monroe, Watson Hiner <br/><br/>
Geology of the Vega Alta quadrangle, Puerto Rico 
by Watson H. Monroe ; prepared [by the United States Geological Survey] in cooperation with The Commonwealth of Puerto Rico, Economic Development Administration, Industrial Research Department. 
, Scale l:20,000. 
 - Washington, D.C.  United States Geological Survey  1963. 
 - 1 map  col.  69 x 66 cm. on sheet 83 x 106 cm. 
 - [Geologic quadrangle map of the United States] / United States Geological Survey  GQ-197 .
 - Geologic quadrangle map of the United States (Geological Survey (U.S.)  GQ-197 .
<br/><br/> Includes text on sheet.  Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Maps.--Puerto Rico--Camuy quadrangle
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Vega Alta (P.R.)--Maps.<br/>Puerto Rico