Chemical concentration and water temperature are given only in metric units. Chemical concentration is given in milligrams per litre (mg/l). For concentrations less than 7,000 mg/l, the numerical value is about the same as for concentrations in the English unit, parts per million.
Chemical concentration in terms of ionic interacting values is given in milliequivalents per liter (meq/l). Meq/l is numerically equal to the English unit, equivalents per million.
Water temperature is given in degrees Celsius (?C), which can be converted to degrees Fahrenheit by the following equation: ?F = 1.8(?C) + 32.
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USGS Numbered Series
Water resources of Dinosaur National Monument, Colorado and Utah