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Northern Research Station
11 Campus Blvd., Suite 200
Newtown Square, PA 19073
(610) 557-4017
(610) 557-4132 TTY/TDD
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Scientists & Staff
Joseph O'Brien
Title: Plant Pathologist
Unit: NA State & Private Forestry
Address: Northeastern Area, State and Private Forestry
1992 Folwell Ave
St. Paul, MN 55108
Phone: 651-649-5266
E-mail: Contact Joseph O'Brien
Online Publications
- Juzwik, Jennifer; O Brien, Joseph G. 1990. Premature Needle Loss of Spruce
Last Modified: 11/19/2008