Glover, Lynn. <br/><br/>
Preliminary report on the geology of the Coamo quadrangle, Puerto Rico  map 
by Lynn Glover, III ; prepared [by the United States Geological Survey] in cooperation with The Commonwealth of Puerto Rico, Economic Development Administration, Industrial Research Department. 
, Scale 1:20,000. 
 - Washington, D.C.  United States Geological Survey  1961. 
 - 1 map  col.  69 x 66 on sheet 98 x 138 cm. 
 - Miscellaneous geologic investigations map / United States Geological Survey  I-335 .
 - Miscellaneous geologic investigations map (Geological Survey (U.S.)  I-335 .
<br/><br/> Four cross sections in margin.  Includes text on sheet. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Maps.--Puerto Rico--Coamo quadrangle
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Coamo (P.R.)--Maps.<br/>Puerto Rico