J. Overpeck, NOAA/NGDC Paleoclimatology Program, 325 Broadway, Boulder, CO, 80303
and INSTAAR, University of Colorado, Boulder CO 80309, USA; email: jto@u.arizona.edu
K. Hughen, J. Moore, A. Jennings, A. Wolfe, INSTAAR, University of Colorado, Boulder CO, 80309, USA
D. Hardy, R. Bradley, S. Smith, Department of Geosciences, University Of Massachusetts, Amherst, MA 01003, USA
R. Case and G. MacDonald, Department of Geography, University of California, Los Angeles, CA 90095, USA
M. Douglas, Department of Geology, University of Toronto, Toronto,Ontario, Canada M5S 3B1
B. Finney, Inst. of Marine Sci., University of Alaska, Fairbanks, AK 99775
K. Gajewski, Department of Geography, University of Ottawa, Ottawa, Ontario, Canada
G. Jacoby, Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, USA
S. Lamoureux, Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta, Canada T6G 2H3
A. Lasca and M. Retelle, Geology Department, Bates College, Lewiston, ME 04204, USA
G. Zielinski, Climate Change Research Center, University of New Hampshire, Durham, NH 03824, USA