A quick dive into Oregon’s only national park (OPB, 5/22/2023)
Crater Lake Caldera, Crater Lake National Park, Oregon: lidar: revealing Oregon’s dynamic landscape (2010) Oregon Department of Geology and Mineral Industries
Extraordinary is ordinary Oregon water (2022) Travel Oregon
Crater Lake, blue through time (2003) United States Geological Survey
Crater Lake trails on the agenda (Mail-Tribune, 10/11/2021)
Trail management plan/environmental assessment (2021) United States Department of the Interior, National Park Service
Pining for whitebarks: Researchers work across the Northwest to save ‘quintessential wilderness trees’ (OPB, 8/1/21)
Status of whitebark pine in Crater Lake National Park (2000) Oregon Natural Heritage Program
Whitebark Pine Conservation Program annual report (serial) United States National Forest Service
Crater Lake bill signed by Governor (Klamath Falls News, 5/25/21)
Crater Lake Caldera, Crater Lake National Park, Oregon (2010) Oregon Department of Geology and Mineral Industries
Crater Lake asks visitors to stop driving off-road and destroying fragile ecosystems (Statesman Journal, 8/18/2019)
Crater Lake geologic guide and recreation map (2013) Oregon Department of Geology and Mineral Industries
At Crater Lake, pine beetles decimate whitebark pines (Oregonian, 8/17/2013)
Mountain pine beetle (Dendroctonus ponderosae) [PDF] (2007) Oregon Department of Forestry
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