FRANKLIN, Jerry, F; FITES-KAUFMANN, Jo Ann. Status of the Sierra Nevada. [s.l.] : Sierra Nevada Ecosystem Project. Final Report to Congress, 1996. (III: Biological and Physical Elements of the Sierra Nevada.) Dostupné online. S. 627–671. Archivované 2012-12-12 z originálu.
Magical underground world: Just-discovered cave in Sequoia National Park [1]
ca.gov
ceres.ca.gov
FRANKLIN, Jerry, F; FITES-KAUFMANN, Jo Ann. Status of the Sierra Nevada. [s.l.] : Sierra Nevada Ecosystem Project. Final Report to Congress, 1996. (III: Biological and Physical Elements of the Sierra Nevada.) Dostupné online. S. 627–671. Archivované 2012-12-12 z originálu.
fs.fed.us
Area of old-growth forests in California, Oregon, and Washington. [s.l.] : United States Forest Service, Pacific Northwest Research Station, 1993. Dostupné online. Resource Bulletin PNW-RB-197.
nps.gov
nature.nps.gov
NPS 5 Year Annual Recreation Visits Report [online]. Public Use Statistic Office, National Park Service, [cit. 2011-04-11]. Dostupné online. Archivované 2017-11-09 z originálu.
Listing of acreage [PDF]. Public Use Statistic Office, National Park Service, 31. december 2010, [cit. 2011-04-11]. Dostupné online. Archivované 2012-09-21 z originálu.
Sierra Nevada Wilderness Education Project [online]. [Cit. 2011-04-11]. Dostupné online. Archivované 2008-10-12 z originálu.
web.archive.org
NPS 5 Year Annual Recreation Visits Report [online]. Public Use Statistic Office, National Park Service, [cit. 2011-04-11]. Dostupné online. Archivované 2017-11-09 z originálu.
Listing of acreage [PDF]. Public Use Statistic Office, National Park Service, 31. december 2010, [cit. 2011-04-11]. Dostupné online. Archivované 2012-09-21 z originálu.
Sierra Nevada Wilderness Education Project [online]. [Cit. 2011-04-11]. Dostupné online. Archivované 2008-10-12 z originálu.
