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1. EVALUATION OF THE NATIONAL PARK SERVICE EASTERN RIVERS AND MOUNTAINS NETWORK’S BENTHIC MACROINVERTEBRATE SAMPLING PROTOCOL: EFFECT OF SAMPLING EFFORT ON ECOLOGICAL ASSESSMENT

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Open Access

2. Water Quality Condition Assessment of Streams in National Parks of the Mid-Atlantic USA Integrating Physical, Chemical, and Biological Datasets

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Open Access

3. The Unfinished Work: The Hidden History of Gettysburg and the Second World War

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Restricted (Penn State Only)