A Postdoctoral Research Associateship administered by the National Research
Council is available with the Environmental Isotope Geochemistry Group of
the Water Resources Division of the U.S. Geological Survey in Reston,
Virginia.  Research opportunities cover a wide spectrum of laboratory and
field studies.  Examples include identification of fundamental processes in
isotope hydrology and contaminant transport and in
ground-water/surface-water interaction studies.  U.S. citizenship is
required.  Final applications must be postmarked by Jan. 15, 2001.  Stipend
is $45,000 per year.  See the Internet site national-academies.org/rap for
additional information.

J.K. Bohlke   (703 648-6325)     [log in to unmask]
T. B. Coplen   (703 648-5862)    [log in to unmask]
431 National Center
U.S. Geological Survey
Reston, VA 20192