KC 



ft t\' 



Pleistocene 



Recent 



c 





t 





1 1 1 



<3sa 





• q? 1 ■ * 







9fr 







San Antonio Temescal Formation 

 Formation 



With 

 Chert-Gravel 

 member Qsac 



MATIONS 



Geology by C. W. Clark 

 Surveyed in 1916 



