Rowland, Stephan M., Geology of Santa Catalina Island, California Geology, 1984 "Archived copy"(PDF). Archived from the original(PDF) on 2012-10-29. Retrieved 2011-10-30.{{cite web}}: CS1 maint: archived copy as title (link)
web.archive.org
Rowland, Stephan M., Geology of Santa Catalina Island, California Geology, 1984 "Archived copy"(PDF). Archived from the original(PDF) on 2012-10-29. Retrieved 2011-10-30.{{cite web}}: CS1 maint: archived copy as title (link)
