TY - RPRT TI - Marine geologic map of the north insular shelf of Puerto Rico; Rio de Bayamon to Rio Grande de Loiza AU - R. W. Rodriguez AU - R. M. Webb AU - D. M. Bush AU - Kathryn M. Scanlon PY - 1992 DO - 10.3133/i2207 UR - https://pubs.usgs.gov/publication/i2207 ID - i2207 ER -