c.1997. Left-to-right: Shelly Hayden, Keith Sprengel, and Suzanne Wiley in the aerial survey map room at the Regional Office in Portland, Oregon.

Left-to-right: Shelly Hayden, Keith Sprengel, and Suzanne Wiley in the aerial survey map room at the Regional Office in Portland, Oregon.

 

Photo by: Julie Johnson

Date: c.1997

 

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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