Dear All, Forgive me for that reply, Bill -- William Anderson Assistant Professor Earth Sciences Department and Southeast Environmental Research Center Florida International University Mailing address: Earth Sciences Dept., PC 344 FIU 11200 S.W. 8th Street Miami, FL 33199 USA office: 305 348 2693, sec. 348 3572 SERC stable isotope lab: 305 348 3044 fax: 305 348 3877 email: [log in to unmask] http://www.fiu.edu/~andersow/index.htm