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مشاهدة النسخة كاملة : Montana Officials Close Yellowstone River To Fight Fish-Killing Parasite

ahlam1399
08-20-2016, 01:56 AM
An extraordinary effort to limit a widespread fish kill comes a week before the centennial celebration of the National Park Service.

أكثر... (http://www.npr.org/sections/thetwo-way/2016/08/19/490679757/montana-officials-close-yellowstone-river-to-fight-fish-killing-parasite?utm_medium=RSS&utm_campaign=news)