USGS OFR 2012-1157: Shallow Geology, Sea-floor Texture, and Physiographic Provinces of the Inner Continental Shelf from Nahant to Northern Cape Cod Bay, Massachusetts

U.S. Geological Survey Open-File Report 2012-1157

Shallow Geology, Seafloor Texture, and Physiographic Zones of the Inner Continental Shelf from Nahant to Northern Cape Cod Bay, Massachusetts

Conversion Factors and Datum

SI to Inch/Pound

Multiply	By	To obtain
Length
millimeter (mm)	0.03937	inch (in.)
meter (m)	3.281	foot (ft)
kilometer (km)	0.6214	mile (mi)
kilometer (km)	0.5400	mile, nautical (nmi)
meter (m)	1.094	yard (yd)
Velocity
meters per second (m/s)	3.281	foot per second (ft/s)
Area
square kilometers (km²)	0.386102159	square miles (mi²)

Vertical coordinate information is referenced to North American Vertical Datum of 1988 (NAVD 88) or Mean Sea Level (MSL).
Elevation, as used in this report, refers to distance above the vertical datum.

Horizontal coordinate information is referenced to the World Geodetic System of 1984 (WGS84) in a Geographic Coordinate System.

Particle size in phi units may be converted to millimeters (mm) as follows:
mm=2^-phi

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