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Northern Research Station
11 Campus Blvd., Suite 200
Newtown Square, PA 19073
(610) 557-4017
(610) 557-4132 TTY/TDD

Contact Us


The Northern Research Station has realigned our staff from 37 Research Work Units and Programs into 14 new Research Work Units.

RWU-4509 is now part of NRS-4, Genetics, Biological Control, and Management of Invasive Species.

Research Questions

James Slavicek, Project Leader


Website Questions

Sharon Hobrla, Webmaster
(517)355-7740, ext. 111


Correspondence may be sent to:

USDA Forest Service, Northern Research Station
Northeastern Center for Forest Health Research
359 Main Rd. Delaware, Ohio 43015


Last Modified: 12/21/2007