TY - RPRT TI - California Groundwater Ambient Monitoring and Assessment (GAMA) Program Priority Basin Project--shallow aquifer assessment AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 2013 DO - 10.3133/fs20123136 UR - https://pubs.usgs.gov/publication/fs20123136 ID - fs20123136 ER -