2. Permanent Drilling Islands. 



a. Long Beach, California-THUMS Islands. 



'% 



'imSm 



Figure 6. View of Island White from Long Beach waterfront (August 1973). 



(1) Construction. 



(a) Completed. March 1967. 



(b) Type. Armor rock perimeter with dredged sand-filled core (Fig 6). 



(c) Purpose. Support of offshore oU-driUing operations. 



(2) Owner. Department of Oil Properties, City of Long Beach, Long Beach, 

 California 90802 (as Trustee for State of California). 



(3) Field Contractor. THUMS Long Beach Company, 840 Van Camp Street, Long 

 Beach, California 90802 (combination of Texaco, Humble, Union, Mobil, and Shell Oil 

 Companies). 



(4) Location (approximate). Long Beach Harbor, San Pedro Bay, Pacific Ocean; at 

 various distances from 400 to 2,300 yards offshore. 



Latitude: 33°45'N. - Longitude: 1I8°I0'W. 



(5) Physical Environment. 



(a) Protected Ocean Environment. Proximity to shore eliminates danger of 

 ocean-generated waves from north and west. Long Beach Harbor breakwaters provide 



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