Occurrence and distribution of organochlorine compounds in biological tissue and bed sediment from streams in the Trinity River basin, Texas, 1992-93 /

by Moring, J. Bruce (James Bruce), 1959-
Austin, Tex. : Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Branch of Information Services [distributor], 1997