Department
Earth Surface Processes
Organization
U.S. Geological Survey
Email
tager@usgs.gov
Phone
303-236-5728
Address
Mail Stop 980
Denver , Colorado 80225United States

Science Specialties

quaternary geology, palynology, paleoecology

Current Research

Reconstructing Quaternary terrestrial ecosystems and climates of Alaska using pollen analysis of lake sediments, peat deposits, and marine sediments.