... Brikowski¹

Principal Investigator, Geosciences Program, University of Texas at Dallas, Box 830688, Richardson, TX, 75083, (972) 883-6242, Internet: brikowi@utdallas.edu

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... Norton²

Consultant, Stanley, ID, denis@cyberhighway.net

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... Blackwell³

Subcontractor, SMU, Dallas, TX, blackwel@passion.isem.smu.edu

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