CHAPTER XXIII 

 GEOLOGY FROM A MOTOR CAR 



A Guide for Tourists 



To use this "guide," read down or up according to whether 

 going north or south. For example: if going north from Los 

 Angeles to San Francisco turn to p. 370 and read down. If 

 proceeding south from San Francisco to Los Angeles via the 

 Coast route, turn to p. 384 and follow the paragraphs in suc- 

 cession backwards, or up. If starting from San Francisco to 

 cross the Sierra crest, read down from p. 387. If entering the 

 State from the east via Donner Pass, turn to p. 398 and read 

 paragraph by paragraph backward, or up. To use the guide in 

 planning any trip see the "Guide for Tourists" on this page. 

 By reading the paragraphs down or up "what to see" on any 

 trip may be followed. For any place on any route see the gen- 

 eral index at the end of the volume. 



Route A. San Diego via Salton Sea and Palm Springs to 

 Los Angeles. 390 miles. P. 3 3 5 . 



Route B. San Bernardino via Cajon Pass and Mojave Des- 

 ert to Death Valley. 377 miles. P. 350. 



Route C. Los Angeles via Cahuenga Pass and Mojave Des- 

 ert to Owens Valley. 2 1 8 miles. P. 3 60 



Route D. Los Angeles via Coast Line to San Francisco. 

 471 miles. P. 370. 



Route E. San Francisco via the Great Valley to Yosemite 

 National Park. 199 miles. P. 384. 



Route F. San Francisco via the Gold Belt to the Crest of 

 the Sierras. 243 miles. P. 387. 



Route G. Sacramento via Lassen Volcanic Peak to Mount 

 Shasta. 2 56 miles. P. 398. 



Route H. San Francisco through the Redwood Empire to 

 the Northwest Coast. 378 miles. P. 409. 



