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Woods Hole Coastal and Marine Science Center

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Marine Aggregate Resources and Processes (MARP)

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Available Data

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The Marine Aggregates (Sand and Gravel Assessment) Project has developed and is implementing a scientifically rigorous series of regional studies mapping the seafloor sedimentary character and assessing marine sand and gravel resources around the United States . Results of the regional assessments will ultimately comprise a national assessment of marine sand and gravel. This study is responding to increasing demand for web-accessible GIS-type data and interpreted geologic map information on the sedimentary character of the seafloor and aggregate resources suitable for beach nourishment and coastal restoration, as well as seafloor sediment texture information for benthic habitat mapping and sediment transport studies. Select data points on the image below to view the data publications.

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USGS Data Series 146
Puerto Rico overlay
USGS Data Series 118
USGS Data Series 182
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