Groundwater-quality data in the northern coast ranges study unit, 2009 [electronic resource] : results from the California GAMA Program / by Timothy M. Mathany, Barbara J. Dawson, Jennifer L. Shelton, and Kenneth Belitz.
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2011.
Title from title screen (viewed on Sept. 21, 2011).
"Prepared in cooperation with the California State Water Resources Control Board and the U.S. Geological Survey National Water-Quality Assessment Program."