
       Figure 6a (Sanford Fig. 12)--Structure contours
with top of Sarir Sandstone as datum. Checked areas are basement 
       subcrop. CI = 400 ft.

       Figure 6a (Sanford Fig. 12)--Structure contours
with top of Sarir Sandstone as datum. Checked areas are basement 
       subcrop. CI = 400 ft.