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

מאת 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

Integrity of production wells and confining unit at the Naval Weapons Industrial Reserve Plant, Dallas, Texas, 1995 /

מאת Jones, S. A. (Sonya A.)
Austin, Tex. : Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], 1997