Pacific Northwest Research Station
 |
|
 |
|
 |
Calendar of Events |
|
Experimental Forests |
|
Job Opportunities |
|
Just for Kids |
|
Research Programs and Teams |
|
Western Wildland Environmental Threat Center |
| Pacific Northwest Research Station 333 SW First Ave. Portland, OR 97204 (503) 808-2100 |
|
 |
|
Owls Of Old Forests Of The WorldBruce G. Marcot. 1995. Gen. Tech. Rep. PNW-GTR-343. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 64 p.
All of our electronic publications require the Acrobat Reader program. You can download the Acrobat Reader free of charge.
Part A (2.71 MB) Part B (2.91 MB) Part C (2.55 MB)
|
|
US Forest Service - Pacific Northwest Research Station
Last Modified: Friday,01March2013 at11:01:23EST