Larry Myer Earth Sciences Division Lawrence Berkeley National Laboratory MS: 90-1116 Berkeley, CA 94720 Ph: 510-486-6456 Fax: 510-486-5686 LRMyer@lbl.gov

Curt Oldenburg Earth Sciences Division Lawrence Berkeley National Laboratory MS: 90-1116 Berkeley, CA 94720 Ph: 510-486-7419 Fax: 510-486-5686 CMOldenburg@lbl.gov