Artículo:

A River Dammed Columbia River salmon are in decline despite heroic measures to system them, and Pacific Northwesterners search their souls: Should some dams be dismantled to save the fish?

Autor:

Fen Montaigne

Jim Richardson

Página:

2

Publicación:

National Geographic

Volúmen:

199

Número:

4

Periodo:

Abril 2001

ISSN:

00279358

SrcID:

00279358-2001-04.txt