the museum noted the expedition resulted in the formation of the Oregon Skyline Trail — along with 700 photos of local topography. The new exhibit showcases photos of the areas geologist Jim O ...

Further, because the map was created by Oregon State University and the Oregon ... The map’s hazard ratings are based on weather, climate, topography and vegetation on a broad environmental ...

In northwest Oregon, most of the Willamette ... on their wildfire hazard exposure.” The map’s hazard ratings are based on weather, climate, topography and vegetation on a broad environmental ...

But the Oregon Department of Forestry ... By law, the state hazard map is based on only four factors: weather, climate, topography and vegetation. That means how property owners take care of ...