An annotated key to the identification of commonly occurring and dominant genera of algae observed i

Greeson, Phillip E.
Washington : U.S. G.P.O., 1982.

Dendroclimatic estimates of a drought index for northern Virginia

Puckett, Larry J.
Washington, D.C. : U.S. Geological Survey, [1981]

The effect of eustatic sea-level changes on saltwater-freshwater relations in the northern Atlantic

Meisler, Harold.
Washington : U.S. G.P.O., 1984.

Evaporation and radiation measurements at Salton Sea, California

Sturrock, Alex M.
Washington : U.S. Gov't Print. Off., 1978.

Observations of tidal flow in the Delaware River

Miller, E. G.
Washington, D.C. : U.S. G.P.O., 1962.

Reconnaissance assessment of erosion and sedimentation in the Canada de los Alamos basin, Los Angele

Knott, J. M.
Washington, D.C. : U.S. Govt. Print. Off. : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1980.

Temporal trends in the acidity of precipitation and surface waters of New York

Peters, Norman E.
[Washington] : U.S. G.P.O. ; Alexandria, Va. : For sale by Distribution Branch, Text Products Section, U.S. Geological Survey, 1981.

Water quality of North Carolina streams

[Washington, D.C.] : [U.S. Geological Survey], 1982.