Charles J. Barden, James M. Guldin, Steven W. Koehn, Robert D. Rorabaugh
Degrees listed include only those earned at Penn State's School of Forest Resources.
Charles J. Barden
Ph.D., Forest Resources, 1989
![](http://assets.agsci.psu.edu/++resource++agsci.common/assets/images/card-placeholder.jpg)
James M. Guldin
B.S., Forest Science, 1975
![](http://assets.agsci.psu.edu/++resource++agsci.common/assets/images/card-placeholder.jpg)
Steven W. Koehn
B.S., Forest Science, 1983
![](http://assets.agsci.psu.edu/++resource++agsci.common/assets/images/card-placeholder.jpg)
Robert D. Rorabaugh
B.S., Forest Science, 1972
![](http://assets.agsci.psu.edu/++resource++agsci.common/assets/images/card-placeholder.jpg)
Department of Ecosystem Science and Management
- Office 814-865-7541
- Fax 814-865-3725
Department of Ecosystem Science and Management
- Office 814-865-7541
- Fax 814-865-3725