California GAMA Program ground-water quality data in the San Diego drainages hydrogeologic province, California, 2004

by Wright, Michael T. 1966-
Published: U.S. Geological Survey, 2005

Assessing the susceptibility to contamination of two aquifer systems used for public water supply in the Modesto and Fresno metropolitan areas, California, 2001 and 2002

by Wright, Michael T. 1966-
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Information Services [distributor], 2004

Geochemical conditions and the occurrence of selected trace elements in groundwater basins used for public drinking-water supply, Desert and Basin and Range hydrogeologic provinces...

by Wright, Michael T. 1966-
Published: U.S. Department of the Interior, U.S. Geological Survey, 2015

Ground-water quality data in the Coachella Valley study unit, 2007 results from the California GAMA Program

Published: U.S. Geological Survey, 2009