Descriptions and chemical analyses for selected wells in the Tehama-Colusa Canal Service Area, Sacramento Valley, California

Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Sacramento National Wildlife Refuge Complex, California, 1988-89

“…Large quantities of elemental mercury were used as an amalgam to extract gold from ore and placer materials in historic mining activities in the Yuba and Feather River drainage basins. Mercury was detected in samples of ground water from wells in both the east and west sides of the Sacramento Valley (Fogelman, 1975(Fogelman, , 1976Fogelman and Rockwell, 1977).…”