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Oregon Field Guide
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Oregon Field Guide
Sudden Oak Death
A microbial pathogen is causing big trouble in Oregon’s southwest coastal forests.
Oregon Field Guide
Gresham Turtles
A population of rare Western painted turtles appears to be thriving near Portland.
Oregon Field Guide
Geocaching
Treasure hunting goes high tech. The game sweeping the entire globe was born right here in Oregon.
Oregon Field Guide
Freshwater Mussels in the Willamette River
What native freshwater mussels tell us about the health of the Willamette River.