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DRAFT REVISION—September 3, 1998 EPA 841-BRapid Bioassessment Protocols For Use in Streams and Wadeable Rivers: Periphyton, Benthic Macroinvertebrates, and Fish
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Document Date: 2011-02-14 06:33:58
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DRAFT REVISION—September 3, 1998 EPA 841-BRapid Bioassessment Protocols For Use in Streams and Wadeable Rivers: Periphyton, Benthic Macroinvertebrates, and Fish