Characterization of major-ion chemistry and nutrients in headwater streams along the Appalachian National Scenic Trail and within adjacent watersheds, Maine to Georgia [electronic resource] / by Denise M. Argue, Jason P. Pope, and Fred Dieffenbach ; prepared in cooperation with the National Park Service.
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2012.
Characterization of major ion chemistry and nutrients in headwater streams along the Appalachian National Scenic Trail and within adjacent watersheds, Maine to Georgia