Category:National Aquatic Resource Surveys
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Media in category "National Aquatic Resource Surveys"
The following 4 files are in this category, out of 4 total.
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June 20, 2012 Collecting Aquatic Insects in Wheeling Creek in West Virginia (8266404833).jpg 1,363 × 2,048; 1.76 MB
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June 20, 2012 Stream sampling in West Virginia (8267473588).jpg 2,048 × 1,363; 2.04 MB
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National Rivers and Streams Assessment 2013-2014 - US EPA.pdf 1,275 × 1,650, 65 pages; 25.39 MB