Scientific Investigations Report 2006-5073

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006-5073

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Conversion Factors and Datum

Conversion Factors

Multiply By To obtain
cubic foot per second (ft3/s) 0.02832 cubic meter per second
gallon (gal) 3.785 liter
inch (in.) 25.4 millimeter
mile (mi) 1.609 kilometer

Temperature in degrees Celsius (°C) may be converted to degrees Fahrenheit (°F) as follows: °F=(1.8×)+32

Specific conductance is given in microsiemens per centimeter at 25 degrees Celsius (μS/cm at 25°C).

Concenrations of chemical constituents in water are given either in milligrams per liter (mg/L) or micrograms per liter (μg/L).

Datum

Horizontal coordinate information is referenced to the North American Datum of 1983 (NAD 83).

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For more information about USGS activities in Washington, visit the USGS Washington Water Science Center home page.


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