U.S. Geological Survey Data Series 469
Seabed Photographs, Sediment Texture Analyses, and Sun-illuminated Sea Floor Topography in the Stellwagen Bank National Marine Sanctury Region off Boston, Massachusetts
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Particle size in phi units may be converted to millimeters (mm) as follows: Horizontal datum, North American Datum of 1983 Vertical Datum, Mean Lower Low Water |
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