TY - JOUR AU - Beck, Louis A. TI - Drainage problems in the San Joaquin Valley—an interagency approach JF - California Agriculture JO - Calif Agr Y1 - 1977/05/01 VL - 31 IS - 5 SP - 21 EP - 22 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v031n05p21 AB - The west side of the San Joaquin Valley between Tracy and the Tehachapi Mountains has developed or will develop drainage problems. Ultimately, about 1˝ million acres will be affected. Agricultural production could be reduced up to 80 percent in the most seriously affected areas.