Surface water supply of the United States, 1961-65, Part 11, Pacific slope basins in California, Volume 2, Basins from Arroyo Grande to Oregon state line except Central Valley

Surface water supply of the United States, 1961-65, Part 12, Pacific slope basins in Washington, Vol. 2, Upper Columbia River basin

Chemical quality of the water in the Tucson basin, Arizona

Quality of surface waters of the United States, 1962, Parts 3 and 4, Ohio River basin and St. Lawrence River basin

Quality of surface waters of the United States, 1962, Parts 1 and 2, North Atlantic slope basins and South Atlantic and eastern Gulf of Mexico basins

Quality of surface waters of the United States, 1965. Parts 1 and 2. north Atlantic Slope Basins and South Atlantic Slope and Eastern Gulf of Mexico Basins

Quality of surface waters of the United States, 1965, Parts 5 and 6, Hudson Bay and upper Mississippi River basins and Missouri River basin

Quality of surface waters for irrigation, Western states, 1964

Quality of surface waters of the United States, 1965, Parts 12-16, Pacific slope basins in Washington and upper Columbia River basin to Hawaii and other Pacific areas

Ground-water levels in the United States, 1963-67, northeastern states

Ground-water levels in the United States, 1964-68, southeastern states

Subsurface geology and ground-water resources of the Jackson Purchase region, Kentucky

Prospects for developing stock - Water supplies from wells in northeastern Garfield County, Montana

Hydrologic effects of floodwater-retarding structures on Garza-Little Elm Reservoir, Texas

Definitions of selected ground-water terms, revisions and conceptual refinements