Geology and ground water in Russian River valley areas and in Round, Laytonville and Little Lake Valleys, Sonoma and Mendocino Counties, California /
by G.T. Cardwell.
- Washington, D.C. : U.S. G.P.O., 1965.
- vi, 154 p. : ill., maps ; 24 cm.
- Geological Survey water-supply paper ; 1548 .
"Prepared in cooperation with the California Department of Water Resources." Six folded maps in pocket. Includes index.