USGS - science for a changing world

Sacramento River Basin NAWQA Program

Water-Quality Assessment of the Sacramento River Basin,
California: Water-Quality, Sediment and Tissue Chemistry,
and Biological Data, 1995-1998 (Open-File Report 2000-391)

Sacramento Valley Geology
Scale: 1:500,000


Map showing geology published in USGS Professional Paper 1401-C by Page in 1986