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2. Water quality and aquatic communities of upland wetlands, Cumberland Island National Seashore, Georgia, April 1999 to July 2000
3. Water quality and aquatic communities of upland wetlands, Cumberland Island National Seashore, Georgia, April 1999 to July 2000
4. Water quality and the composition of fish and macroinvertebrate communities in the Devils and Pecos Rivers in and upstream from the Amistad National Recreation Area, Texas, 2005-7
5. Water quality in the St. Croix National Scenic Riverway, Wisconsin
6. Water quality of Camp Creek, Costello Creek, and other selected streams on the south side of Denali National Park and Preserve, Alaska
7. Water quality of lakes and streams in Voyageurs National Park, northern Minnesota, 1977-84
8. Water quality of lakes in Voyageurs National Park, northern Minnesota, 1999
9. Water quality of selected lakes in Mount Rainier National Park, Washington with respect to lake acidification
10. Water quality of streams draining abandoned and reclaimed mined lands in the Kantishna Hills Area, Denali National Park and Preserve, Alaska, 2008-11
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