NOAA Paleoclimatology, National Climatic Data Center, National Oceanic and Atmospheric Administration 325 Broadway, E/CC23, Boulder, CO 80305-3328 United States
NOAA Paleoclimatology, National Climatic Data Center, National Oceanic and Atmospheric Administration 325 Broadway, E/CC23, Boulder, CO 80305-3328 United States
Lamont-Doherty Earth Observatory of Columbia University, P.O. Box 1000 61 Route 9W, Palisades, NY 10964-1000 United States
Climate Monitoring Branch, National Climatic Data Center, National Oceanic and Atmospheric Administration 151 Patton Ave., E/CC22, Asheville, NC 28801-5001 United States