These documents are from NPShistory.com and are complete PDF files available for download.
Northeastern Portion of Crater Lake Fire History complete PDF file
A Short Report Summarizing Observations and Opinions about Bears at Crater Lake, November 12, 1969
Black-bear-dixon complete PDF file
Report on the Bear Problem at Crater Lake National Park, December 14, 1945
Black-bear-herrero complete PDF file
Lodgepole Pines at Crater Lake, Zobel and Zeigler
Lodgepole Pine History and Management complete PDF file
Limnological studies of Crater Lake complete PDF file
Fire Management in Crater Lake complete PDF file
Feeding ground squirrels at Crater Lake complete PDF file
Research and Management of Black Bears in Crater Lake, 1974
Research and Management of Black Bears complete PDF file
Battle Against Bark Beetles 1925-34 complete PDF file
Social Impacts of Design Alternatives complete PDF file
Cultural Landscape Recommendations Park Headquarters complete PDF file
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