Grain size in streambed sediments is given in millimeters (mm). Slope is given in feet per foot (ft/ft). Datums Vertical coordinate information is referenced to the National Geodetic Vertical Datum of 1929 (NGVD 29). Horizontal coordinate information was arbitrarily set at time of survey.

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In this report, temperature is reported in degrees Fahrenheit (°F), which can be converted to degrees Celsius (°C) by the equation°C = (°F-32) / 1.8 Sea level: In this report, "sea level" refers to the National Geodetic Vertical Datum of 1929 (NGVD of 1929, formerly called "Sea-Level Datum of 1929"), which is derived from a general adjustment of the first-order leveling networks of the United States and Canada. In the adjustment, sea levels from selected tide stations in both countries were held fixed. The year indicates the time of the last general adjustment. This datum should not be confused with mean sea level. Altitudes are the same in both the local coordinate system and the Universal Transverse Mercator system.

Multiply By To obtain cubic foot per second (ft 3 /s) 0.02832 cubic meter per second foot (ft) 0.3048 meter foot per second (ft/s) 0.3048 meter per second inch (in.) 2.54 centimeter inch (in.) 25.4 millimeter mile (mi) 1.609 kilometer pounds per square foot (lb/ft 2) 0.04788 kilopascal square foot (ft 2) 929.0 square centimeter square mile (mi 2) 2.590 square kilometer Temperature in degrees Fahrenheit (°F) may be converted to degrees Celsius (°C) as follows:°C = (°F-32)/1.8 Vertical Datum Sea level: In this report, "sea level" refers to the National Geodetic Vertical Datum of 1929-A geodetic datum derived from a general adjustment of the first-order level nets of the United States and Canada, formerly called Sea Level Datum of 1929.

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