アンザ・ボレゴ砂漠州立公園
com/world/news/110924/amr11092409080003-n1.htm
↑ http://www.khon2.com/news/local/story/Mother-speaks-out-on-daughters-death/u9ir8VieyEC33qrg9udPZA.cspx
C. Michael Hogan. 2009. California Fan Palm: Washingtonia filifera, GlobalTwitcher.com, ed. Nicklas Stromberg
George T. Jefferson and Lowell Lindsay. 2006. Fossil Treasures of the Anza-Borrego Desert (Sunbelt Publications, San Diego). ISBN 0932653502