<p>Phytophthora lateralis. Aerial detection survey. Port Orford, Oregon.
</p><p>Photo by: Peter W. Orr
Date: July 1959
</p><p>Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection.
Collection: Region 6, Forest Health Protection slide collection; Regional Office, Portland, Oregon.
</p><p>For geospatial data collected during annual aerial forest insect and disease detection surveys see: <a rel="nofollow" class="external text" href="https://www.fs.usda.gov/detail/r6/forest-grasslandhealth/insects-diseases/?cid=stelprdb5286951">www.fs.usda.gov/detail/r6/forest-grasslandhealth/insects-...</a> 
</p><p>For related historic program documentation see:  
<a rel="nofollow" class="external text" href="https://archive.org/details/AerialForestInsectAndDiseaseDetectionSurveysInORandWA19472016TheSurveyHighRes">archive.org/details/AerialForestInsectAndDiseaseDetection...</a> 
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. 
</p>
Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: <a rel="nofollow" class="external text" href="https://www.fs.usda.gov/main/r6/forest-grasslandhealth">www.fs.usda.gov/main/r6/forest-grasslandhealth</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/151887236@N05">R6, State &amp; Private Forestry, Forest Health Protection</a>
Taken in July 1959
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/151887236@N05/35679559900/">1959. Phytophthora lateralis. Port Orford, Oregon.</a>