A reconnaissance study of the beach sands of Puerto Rico /
Robert B. Guillou and Jewell J. Glass
- Washington,[D.C.] U.S. G.P.O. 1957
- iv, 273-305 pages: illustrations, map ; 24 cm + 1 folded map in case.
- Geological Survey bulletin ; 1042-| .
- U.S. Geological Survey bulletin .
"Prepared in cooperation with the Economic Development Administration of the Commonwealth of Puerto Rico."
Includes Bibliographical references (page 303) and index.