TY  - BOOK
AU  - Ellis,S R
TI  - History of dredging and filling of lagoons in the San Juan area, Puerto Rico
T2  - Water-resources investigations
PY  - 1976///
CY  - Washington
PB  - U.S. Geological Survey
KW  - Lagoons
KW  - San Juan, P.R
KW  - Local
KW  - Dredging
KW  - Puerto Rico
ER  -