US Forest Service Research & Development
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  • US Forest Service Research & Development
  • 1400 Independence Ave., SW
  • Washington, D.C. 20250-0003
  • 800-832-1355
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Directory Listing


Below are the 8 members of the Sustainable Management of Central Hardwood Ecosystems and Landscapes unit (NRS-11). Click here to view the entire R&D Directory.

DeRuiter, JosephForestry Technician573-729-6656MO
Nall, TexasForestry Technician573-729-6656MO
Dey, Daniel C. °Project Leader / Research Forester573-875-5341 x225MO
Kabrick, John °Research Forester573-875-5341 x229MO
Van Sambeek, J.W."Jerry" °Research Plant Physiologist573-875-5341 x233MO
Thompson, Frank R. °Research Wildlife Biologist573-875-5341 x224MO
Amelon, Sybill °Research Wildlife Biologist573-875-5341 x231MO
Dijak, William D.Wildlife Biologist / Gis Specialist573-875-5341 x241MO


° Signifies R&D Researcher.
Bolded/Italicized represents supervisory position.