File:Observing Trout in Specially Designed Pens (5953856151).jpg

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Description The Fishery Center opened its facilities to Penn State University Ph.D. candidate Brooks Fost to conduct acidity reasearch on trout. He set up six of these stands to observe how brook trout and brown trout react to different PH levels in experimental enclosures.
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Source Observing Trout in Specially Designed Pens
Author U.S. Fish and Wildlife Service Northeast Region

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Public domain
This image or recording is the work of a U.S. Fish and Wildlife Service employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain. For more information, see the Fish and Wildlife Service copyright policy.

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United States Fish and Wildlife Service
United States Fish and Wildlife Service
This image was originally posted to Flickr by U. S. Fish and Wildlife Service - Northeast Region at https://flickr.com/photos/43322816@N08/5953856151 (archive). It was reviewed on 12 May 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark.

12 May 2018

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current13:37, 12 May 2018Thumbnail for version as of 13:37, 12 May 20181,728 × 3,072 (2.96 MB)OceanAtoll (talk | contribs)Transferred from Flickr via #flickr2commons

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