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31. [Image] Crater Lake limnological studies: final report
ill., maps; July 1993."; "Cooperative Park Studies Unit, College of Forestry, Oregon State University."; Includes bibliographical references.; This title is a culmination of the first 10-years of the Crater ...Citation -
32. [Image] Ecology of kokanee salmon and rainbow trout in Crater Lake, a deep ultraoligotrophic caldera lake (Oregon)
ill.; Thesis (M.S.)-Oregon State University, 1988; Includes bibliographical references (leaves 74-80)Citation -
ill.; "Harold Weaver (1903?-1983) was an American forester best known for his work on prescribed burning." - Forest History Society website;
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34. [Image] Memorandum on fishing, 1941
Date of memorandum: September 3, 1941; "Donald S. Farner, Ranger-Naturalist."Citation -
35. [Image] Memorandum on fishing [August 1948]
Date of memorandum: August 4, 1948; Includes: "Creel Census Report for July, 1948."; "Donald S. Farner, Ranger-Naturalist."Citation -
Date of memorandum: July 27, 1940; "Donald S. Farner, Ranger-Naturalist."
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37. [Image] Memorandum on fishing, 1950
Date of memorandum: September 15, 1950; "R.S. Robinson, Ranger-Naturalist."; Includes: "Creel Census Report for July and August, 1950."Citation -
Fish liberations are in Crater Lake and the following streams of Crater Lake National Park: Annie, Bybee, Copeland, Castle, National, Sun, Redblanket, Munson, Lost, Bear, Sand and Crater Creeks.
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39. [Image] Fish planted in Crater Lake
Stocking dates include 1888, 1910, 1914, 1922-1939Citation -
40. [Image] Fish liberations in Crater Lake
"No fish have been planted in the lake since 1941. (1967)"; Stocking dates include 1910, 1914, 1922-1941Citation