Description
Item Description:Financed in part by the U.S. Dept. of the Interior (G2028), U.S Geological Survey, as authorized by the Water Resources Research Act of 1984 (P.L. 98-242).
"Submitted to U.S. Department of the Interior"--Cover.
"July 1995."
Physical Description:ii, 22 leaves : illustrations ; 28 cm.
Bibliography:Includes bibliographical references.