1. Foe, C.G. and V. Connor: 1991. San Joaquin watershed bioassay results, 1988-90. Staff Report. Central Valley Regional Water Quality Control Board, Sacramento, CA.
2. Foe, C.G. and R.C. Sheipline: 1993. Pesticides in surface water from applications on orchards and alfalfa during the winter and spring of 1991-92. Staff Report. Central Valley Regional Water Quality Control Board, Sacramento, CA.
3. California Department of Pesticide Regulation. 1990. Pesticide use data. Sacramento, CA.