1996. Forest pathologist Sally Campbell. 50 Years of Aerial Survey celebration. World Trade Center. Portland, Oregon.

Forest pathologist Sally Campbell. 50 Years of Aerial Survey celebration. World Trade Center. Portland, Oregon.

 

Photo by: Julie Johnson

Date: November 12, 1996

 

Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection.

Source: Aerial Survey Program collection.

 

For geospatial data collected during annual aerial forest insect and disease detection surveys see: www.fs.usda.gov/detail/r6/forest-grasslandhealth/insects-...

 

For related historic program documentation see:

archive.org/details/AerialForestInsectAndDiseaseDetection...

Johnson, J. 2016. Aerial forest insect and disease detection surveys in Oregon and Washington 1947-2016: The survey. Gen. Tech. Rep. R6-FHP-GTR-0302. Portland, OR: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. 280 p.

 

Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth

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