The 1970 & 1972 Cliff Cross maps found in his 1970-1973 guidebooks:

For the 1974 edition, the new Baja Highway was drawn in over the earlier maps, but not completely accurate. The covers of 5 editions of this very popular book follow these 50+ maps. To zoom in close, press Ctrl (Control) and + (or roll the scroll wheel).

 

 

The Cliff Cross Baja Guidebooks (1970-1974):

 

1970 edition

 

1972 edition

 

1973 edition

 

1974 edition

 

1974 HP edition