Briggs, Reginald Peter <br/><br/>
Preliminary report of the geology of the Barranquitas quadrangle, Puerto Rico  map 
by R.P. Briggs and P.A. Gelabert ; prepared [by the United States Geological Survey] in cooperation with The Economic Development Administration of The Commonwealth of Puerto Rico. 
, Scale 1:20,000. 
 - Washington, D.C.  United States Geological Survey  1962. 
 - 1 map  col.  69 x 66 cm. on sheet 114 x 98 cm. 
 - Miscellaneous geologic investigations map / United States Geological Survey  I-336 .
 - Miscellaneous geologic investigations map (Geological Survey (U.S.)  I-336 .
<br/><br/> Five cross sections in margin.  Text included on second sheet. 
<br/><br/>Bibliography on second sheet. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Maps.--Puerto Rico--Barranquitas quadrangle
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Barranquitas (P.R.)--Maps.<br/>Puerto Rico