US Forest Service Research & Development
Contact Information
  • 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 6 members of the Hardwood Tree Improvement and Regeneration Center unit (NRS-14). Click here to view the entire R&D Directory.

Warren, James C.Biological Scientist / Operational Tree Breeder218-340-7296IN
McKenna, JimBiologist765-496-3624IN
Mielke, ManfredForest Health Monitoring Specialist651-649-5267MN
Woeste, Keith °Research Plant Molecular Geneticist765-496-6808IN
Pijut, Paula °Research Plant Physiologist765-496-2162IN
Lawson, Shaneka °Research Plant Physiologist765-412-6119IN


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