TY - MAP ID - 117757888 TI - Geologic map of Ciales quadrangle, Puerto Rico AU - Berryhill, Henry L. AU - Monroe, W. H. AU - Hildebrand, F.A. AU - Berryhill, Henry Lee PY - 1965 PB - Washington (D.C.) U.S. Geological Survey DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:117757888 AB - ER -