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- United States. National Park Service. Natural Resource Stewardship and Science, issuing body✖[remove]561
- Cook, Philip S., 1960-36
- Cooperative Park Studies Unit (Moscow, Idaho). Visitor Services Project33
- Le, Yen28
- GeoSpatial Services19
- Manni, Marc F.17
- Thornberry, Trista L.13
- KellerLynn, Katie11
- Begly, Ally10
- Cogan, Dan10
- Graham, John P. (John Paul)10
- Lee, Cynthia10
- MacDonald, John10
- Erixson, John A.8
- John A. Volpe National Transportation Systems Center (U.S.)8
- Davis, F. W. (Frank W.), 1953-7
- Diamond, David Daniel, 1956-7
- Grandjean, Burke D.7
- Harnisch, Brian7
- Holmes, Nancy C.7