COAST LINE LOS ANGELES TO SAN FRANCISCO. 123 



From Watson ville Junction (see sheet 6a, p. 130) a branch line turns 

 to the left (west) and makes a detour through Santa Cruz and other 



pomts, rejouiing the mam Ime to the north at San 

 Watsonville Junction, j^^^^ Passengers may take this route to San Fran- 

 Elevation 21 feet. ^j^^^ l^^^ ^.'H ^^^^^ ^^ change cars. The Santa 



Los Angeles 3 ;5 miles. ° . _ 



Cruz route affords an opportunity to see a nne 

 group of "big trees" (PI. XXXI, p. 125), the coast redwood {Sequoia 

 sempervirens) , w-iiich, although smaller than Sequoia giganiea of tho 

 Sierra Nevada, are still gigantic, the largest measuring 70 feet in 

 circumference. This route, crossing tho Santa Cruz Mountains at an 

 altitude of more than 1,000 feet, passes through beautiful country. 



rocks 



and 



faulted. 



Andreas 



occurred the earthquake of 1 906 is crossed by this route west of Abna. 



North of Watsonville Junction the main Coast Lme crosses a rich 



apple country, in which the orchards reach part way up the slopes of 



the bordering hills. 



The hills to the right and left, gradually approaching as the valley 

 narrows, are composed of Tertiary strata, with a narrow belt of Qua- 

 ternary deposits along Pajaro River. Just beyond 



GaD. Here a small 



Aromas 



aro 



Los Angeles 3S1 miias. fault, cuttiug across the range, has weakened the 



rocks and thereby enabled the river to wear its way 



Elevation 98 feet. 



throucrh. On the left is the river, and on the right are bluffs of 



C3 _ - - a < . J * T 



ism eons 



bling granite, but containing little or no cjuartz), which are artifi- 

 cially further reduced by rock crushers for raiboad ballast. 



The country opens abruptly as the train crosses the bridge over the 

 Pajaro near Chittenden, and the diorite of the gorge gives place to 



the Tertiary sedunents of the Chittenden-Sargent oil 

 Chittenden. fipij. This change is due to the fact that the Ter- 



Eievation 123 feet. tiary beds are much softer than the diorite and have 



Los Angeles 383 miles. ^^^^ ^^^^^^ ^^^^ j^^^^ ^ ^^^gy^ TraCCS of the San 



Andreas fault, a slight recurrence of movement along which pro- 

 duced the earthquake of 1906, are here visible for the first tune to the 

 traveler from Los Angeles to San Francisco over the Coast Lme 

 although the crack continues into southern California to the east of 

 Los Angeles. The hillsides to the northwest (left) are scarred by the 

 earthquake rift, and one-third of a mile beyond Chittenden, around 

 a cm-ve, on the left near the track, is a kiioU blackened by the od from 

 a storat-e tank that was WTCcked by the earthquake. 



The Sargent oil field produces approximately 40,000 barres a year, 

 and some of the od is shipped from Chittenden. The od-beanng 



