b. Punta Gorda, California— Rincon Island. 



Figure 11. Aerial oblique view of Rincon Island. 



(1) Construction. 



(a) Completed. September 1958. 



(b) Type. FiU-type artificial island with sand core enclosed by armor rock and 

 tetrapods weighing up to 31 tons each (Fig. 11). 



(c) Purpose. Support of offshore oil-drilling operations. 



(2) Owner. Atlantic Richfield Company, 515 S. Flower Street, Los Angeles, 

 California 90017 (formerly Richfield Oil Corporation). 



(3) Location (approximate). Pacific Ocean in Santa Barbara Channel, about 2,700 

 feet south of Punta Gorda, Cahfornia. 



Latitude: 34°2l'N. - Longitude: 119°27'W. 



(4) Physical Environment (Fig. 12). 



(a) Protected Ocean Environment. Location in Santa Barbara Channel provides 

 some protection from north by California mainland and from south by Channel Islands with 

 reduction of energy of ocean-generated waves. 



(b) Wave Conditions. Both sea and swell conditions fairly constant throughout 

 year, originating in northwest quadrant with about 50 percent from northwest. Channel 

 Islands have little effect on this exposure. 



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