Stine 1996,第25-30頁. Stine, Scott. Climate, 1650 - 1850(PDF). Sierra Nevada Ecosystem Project: Final Report to Congress Volume II: Assessments and Scientific Basis for Management Options. Davis, CA: Centers for Water and Wildland Resources, University of California. 1996. ISBN 1-887673-01-6. (原始内容(PDF)存档于2009-10-09) (英语).
Stine 1996,第25-30頁. Stine, Scott. Climate, 1650 - 1850(PDF). Sierra Nevada Ecosystem Project: Final Report to Congress Volume II: Assessments and Scientific Basis for Management Options. Davis, CA: Centers for Water and Wildland Resources, University of California. 1996. ISBN 1-887673-01-6. (原始内容(PDF)存档于2009-10-09) (英语).
Yosemite National Park. Yosemite Roads and Bridges. National Park Service. [2020-12-27]. (原始内容存档于2020-12-27) (英语).
John, Muir. The Treasures of the Yosemite. The Century Magazine. Vol. XL no. 4 (New York, NY: The Century Company). 1890 [2020-12-27]. (原始内容存档于2020-11-06) (英语).
John, Muir. The Treasures of the Yosemite. The Century Magazine. Vol. XL no. 4 (New York, NY: The Century Company). 1890 [2020-12-27]. (原始内容存档于2020-11-06) (英语).