01240cgm a2200229 4500 242508478 TxAuBib 20111109120000.0 111105s2008||||||||||||||||||||||v|eng|u TxAuBib Christian, Karen. Salt of the earth : Salinity in California's central valley [DVD]. Sacramento, CA : Water Education Foundation, 2008. 1 disc ; 57 mins. Salt. In a small amount, it's a gift from nature. But as any doctor will tell you, if you take in too much salt, you'll start to have health problems. The same negative effect is happening to land in the Central Valley. The problem scientists call "salinity" poses a growing threat to our food supply, our drinking water quality and our way of life. The problem of salt buildup and potential -- but costly -- solutions are highlighted in this 2008 public television documentary narrated by comedian Paul Rodriguez. 20111105. Documentary. Water Education. Compact discs. Salinity -- California -- Central Valley. Paul Rodriguez, Narrator.