Geology of the middle Tertiary formations of Puerto Rico : a description of the stratigraphy and structure of Oligocene and Miocene age near the northern and southern coasts of Puerto Rico - Monroe, Watson Hiner, 1907-; Puerto Rico. Department of Industrial Research; Puerto Rico. Department of Natural Resources (Washington, D.C. : United States Government Printing Office, 1980)
Includes index
Bibliography: p. 90-93
Keywords: Geology, Stratigraphic -- Oligocene; Geology, Stratigraphic -- Miocene; Geology -- Puerto Rico; Formations (Geology) -- Puerto Rico