TY - JOUR AU - Downing, Jim TI - Special Issue: The Sustainable Groundwater Management Act JF - California Agriculture JO - Calif Agr Y1 - 2018/03/05 VL - 72 IS - 1 SP - 4 EP - 5 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://dx.doi.org/10.3733/ca.2018a0012 L3 - 10.3733/ca.2018a0012 AB -