இலவச வீடியோ Olympic National Park: Elwha River Restoration பார்க்கவும்

Name: Olympic National Park: Elwha River Restoration
Uploaded: 2016-05-13T03:40:10Z
Duration: 5 min 46 s
Description: This five-minute 'webisode' offers an introduction to the Elwha River, its people, its once-prolific salmon runs, the century of hydropower the river produced and the eventual decision to remove Elwha and Glines Canyon Dams.

(154 MB) 13 May 2016 அன்று சேர்க்கப்பட்டது 139 முறை விளையாடப்பட்டது Nature

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அனிமேஷன் விளக்கம்:

This five-minute 'webisode' offers an introduction to the Elwha River, its people, its once-prolific salmon runs, the century of hydropower the river produced and the eventual decision to remove Elwha and Glines Canyon Dams.