Erman, D.C., J.D. Newbold, and K.B. Roby. 1977. Contribution No. 165, September 1977. California Water Resources Center, University of California, Davis.
As you give thanks for the gifts in your life, we invite you to give the gift of water. Clean drinking water, good health, happy trout, productive soil, clean air, the simple joys of swimming, boating, fishing — our healthy freshwater ecosystems make these and so many other things possible.
Your donation today will help preserve and protect
the future of fresh water.