Total Mercury, Methylmercury, and Ancillary Water-Quality and Streamflow Data for Selected Streams in Oregon, Wisconsin, and Florida, 2002–06 Image Date Issued 2002-06 Author Brigham, Mark E. Duris, Joseph W. Wentz, Dennis A. Button, Daniel T. Chasar, Lia C. Main Topic Surface Water Water Quality & Pollutants Water Conveyance & Hydraulics