- United States. Bureau Of Land Management317
- Klamath Falls Resource Area312
- Institute For Natural Resources43
- Wheeler, Patricia A.20
- Fleischbein, Jane19
- Huyer, Adriana, 1945 19
- Kosro, P. Michael, 1951 19
- Smith, Robert L. (Robert Lloyd), 1935 19
- Peterson, W. T.18
- Barth, Jack A.17
- Oregon State University. Klamath Basin Research And Extension Center13
- Roseberg, Richard J.13
- Sherr, Barry F.13
- Sherr, Evelyn13
- Shuck, Rachel A.13
- Clark, Deborah Louise, 1950 12
- National Marine Fisheries Service, Northwest Region10
- Sanderson, Rebecca A.10
- Wilson, Mark V.10
- Oregon Natural Heritage Information Center9