TY - RPRT TI - Marine geologic map of the northeastern insular shelf of Puerto Rico-Luquillo area AU - R. W. Rodriguez AU - W. C. Schwab AU - Milton Carlo AU - E.R. Thieler PY - 1998 DO - 10.3133/i2612 UR - https://pubs.usgs.gov/publication/i2612 ID - i2612 ER -