Geology of the Manati 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 1962.
- 1 map col. 69 x 66 cm. on sheet 92 x 114 cm.
- Miscellaneous geologic investigations map / United States Geological Survey I-334 .
- Miscellaneous geologic investigations map (Geological Survey (U.S.) I-334 .