(for Tuesday, Sept. 13)

Read the following sections of our text, Geologic Trips: San Francisco and the Bay Area by Ted Konigsmark, in preparation for our field trip to Sutro Heights on Tuesday, Sept. 13:

• "A Geologic View of San Francisco" (p. 7)
• "Geologic Thinking" (pp. 10-11)
• "Rocks of the San Francisco Area" (pp. 34-37)
• "Trip #1. San Francisco" (sections on the Cliff House and Sutro Baths) (pp. 62-65)