Mississippi river water quality and the Clean Water Act progress, challenges, and opportunities /

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Awduron Corfforaethol: National Research Council (U.S.), National Research Council (U.S.). Water Science and Technology Board, National Research Council (U.S.). Committee on the Mississippi River and the Clean Water Act, National Research Council (U.S.). Division on Earth and Life Studies, ebrary, Inc
Fformat: Electronig eLyfr
Iaith:Saesneg
Cyhoeddwyd: Washington, D.C. : National Academies Press, c2008.
Pynciau:
Mynediad Ar-lein:An electronic book accessible through the World Wide Web; click to view
Tagiau: Ychwanegu Tag
Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
Disgrifiad
Disgrifiad Corfforoll:xii, 239 p. : ill. (some col.), maps (some col.)
Llyfryddiaeth:Includes bibliographical references (p. 212-226).