Disclaimer 



This report has been reviewed by the Minerals Management Service and approved 

 for publication. The opinions, findings, conclusions, or recommendations 

 expressed in the report are those of the authors, and do not necessarily 

 reflect the views or policies of the MMS. Mention of trade names or 

 commercial products does not constitute endorsement or recommendations for 

 use. This report has been technically reviewed according to contractual 

 specifications. It, however, is exempt from review by the MMS Technical 

 Publications Unit and the Regional Editor. 



