COAST LINE LOS ANGELES TO SAN FRANCISCO. 113 



Beyond Schumann Canyon and Casmalia the formation exposed is 



the Monterey shale, which is much folded. About 

 Casmalia. Casmalia considerable barley is grown for hay and 



Elevation 281 feet. prain. The loundcd hills in this vicinity arc golden in 



Los Angeles 187 mOes. *? -iii-iTin pi t 



August with the bright little nowers of the tarweed. 



North of Casmaha the raihoad crosses a well-defined anticliue. 



Several oil wells seen on the left (west) side of the track have been 



■ 



drilled on the south flank of this fold and obtained commercial quan- 

 tities of very heavy oil at depths ranging from 1,800 to 2,500 feet. 

 At Schumann station, which lies on the north flank of the anti- 



imp re 



Schumann. 



oil, which colore it dark and tricldes from it in places. 



exposure 



Elevation 401 feet, i}^q Montcrcv as cau be seen along the railroad. The 



Los Angeles 190 miles. . ■ . *" p ,^ - i i j j.- • i. i j.u" 



lower portion of this shale formation is hard, tnin 

 bedded, and siliceous, but the upper portion is softer and does not 



show the bedding as plauily. 



Beyond Schumann the railroad swings to the left, and the broad 

 valley of Santa Maria River may be seen on the right. The train 

 passes along the northeastern base of the Casmalia Hills, where the 

 rocks exposed in most of the cuts are of Pleistocene age, although 

 the Fernando formation occm's in the hills a short distance south of 

 the track. Several old asohalt mines mav be noticed in this vicinity. 



form 



soft Fernando sandstones. 



On the right (east) side of the track, about 2 miles south of Gua- 

 dalupe (g\va-da-loo'pay), is Guadalupe Lake, the water of which has 

 been impounded by drifting sands. Beyond the lake, at Betteravia, 



is a beet-sugar factory. 



The rich alluvial valley about Guadalupe produces large crops of 

 beans, beets, potatoes, and barley. The main Santa Maria Valley, 



which extends eastwa 



Guadalupe. 



tructui' 



Elevation 79 feet. . deeply filled with Plcistoccnc and alluvial deposits. 



Population 480 * a i _.i„ " - - * - 



liOS Angeles 198 miles. 



rly defined terrace follows 1 

 Maria River, and northeast 



the San Rafael Mountains. The lower slopes are marked by an anti- 

 chnal fold, in the heart of which is a large mass of serpentine and 

 Franciscan rocks. The flanks of tins fold, includuig the larger part 



mountains, consist 



Monterey shale. 



railroad crosses Santa 

 nt.ft Barbara and San 



Maria River, the boimdary line between Santa Barbara 

 Luis Obispo counties. Looking southeast from tliis bridge the trav- 



^ with the wells of the Orcutt or old Santa 



t> 



96280^— Bull. 614—1 



