Figure 1. - Map of the insular shelf study area off Luquillo, Puerto Rico, showing the locations of the sidescan sonar imagery coverage, a representative seismic-reflection profile (Fig.10), and the area used for the detailed analysis by Gowen and others (1993).

U.S. Department of the Interior, U.S. Geological Survey
URL: http://pubs.usgs.gov/of/1998/of98-204/htmldocs/figure1.htm
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