Shoalwater Bay, Long Beach, Ilwaco, Washington. 1963 western hemlock looper control area.
Photo by: Peter W. Orr Date: March 7, 1963
Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Forest Health Protection slide collection; Regional Office, Portland, Oregon.
For information about this control project see: archive.org/details/CAT10507172 Buffam, P.E. 1963. Plan for the technical direction of the 1963 western hemlock looper control project in southwest Washington. USDA Forest Service, Pacific Northwest Region, Division of Timber Management, Insect and Disease Control Branch. 20 p.