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- U.S. Fish and Wildlife Service✖[remove]85
- Geological Survey (U.S.), issuing body12
- Geological Survey (U.S.)11
- United States. Bureau of Reclamation5
- National Wildlife Refuge System (U.S.)4
- Oregon Coast National Wildlife Refuge Complex3
- U.S. Fish and Wildlife Service. Division of Refuge Planning3
- Altman, Bob2
- Burdick, Summer M.2
- Henson, Colleen M.2
- Joint Water Commission (Washington County, Or.)2
- National Water-Quality Assessment Program (U.S.)2
- Rinella, Frank A.2
- Schuler, Carol A.2
- United States. Bureau of Land Management2
- United States. Bureau of Land Management. Eugene District2
- Waite, Ian R.2
- Benjamin, Joseph R.1
- Bennett, Donald E.1
- Borisenko, Aaron N.1