The Water-Quality Partnership for National Parks—U.S. Geological Survey and National Park Service, 1998–2016
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2009 ◽
Vol 125
(4)
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pp. 2715-2715
2004 ◽
Vol 26
(1)
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pp. 2-6
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2017 ◽
Vol 36
(2)
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pp. 197-244
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2018 ◽
2019 ◽
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