GEOLOGIC RECONNAISSANCE IN BAJA CALIFORNIA 721 
7 s 
BO SAN LUCAS: 
110° 
Fic. 1.—Map of Baja California showing principal shore features and settlements, 
and location of cross-sections in Figures 2, 3, and 4. 
south of the latter place they are overlapped by younger sediments. 
They appear again in high ridges in Cerros Island and from Punta 
San Lorenzo to Isla Santa Margarita on the west side of Bahia 
