Scientific Investigations Report 2006–5036

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5036

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Conversion Factors and Datums

Inch/Pound to SI

Multiply By To obtain
acre 0.4047 hectare
acre 0.004047 square kilometer
acre-foot per day (acre-ft/d) 1,233 cubic meter per day
acre-foot per year (acre-ft/yr) 1,233 cubic meter per year
acre-foot per year (acre-ft/yr) 0.001233 cubic hectometer per year
cubic foot per second (ft3/s) 0.02832 cubic meter per second
gallon per minute (gal/min) 0.06309 liter per second
foot (ft) 0.3048 meter
inch (in.) 2.54 centimeter
inch (in.) 25.4 millimeter
mile (mi) 1.609 kilometer
million gallons per day (Mgal/d) 0.04381 cubic meter per second
square mile (mi2) 2.590 square kilometer

Temperature in degrees Celsius (°C) may be converted to degrees Fahrenheit (°F) as follows:

°F=(1.8 × °C)+32.

Datums

Vertical coordinate information is referenced to the National Geodetic Vertical Datum of 1929 (NGVD29).

Horizontal coordinate information is referenced to the North American Datum of 1927.

Elevation, as used in this report, refers to distance above the vertical datum.

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


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