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Arctic grayling and Dolly varden from impounded water of beaver dam

By Alaska Science Center
Arctic grayling (Thymallus arcticus) and Dolly varden (Salvelinus malma) from impounded water of beaver dam on the Wrench Creek
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Detailed Description

Arctic grayling (Thymallus arcticus) and Dolly varden (Salvelinus malma)  from impounded water of beaver dam on the Wrench Creek, Noatak National Preserve. 

Sources/Usage

Public Domain.