National water summary on wetland resources /
Fretwell, J. D.
Williams, John S.
Redman, Phillip J.
Geological Survey (U.S.)
Washington, D.C. : U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs.,
1996.
Shipping list no.: 97-0047-P.
Includes bibliographical references.
Wetlands
Water resources development
Wetland conservation
Natural resources
Also available via Internet from USGS web site.