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Naselle, Washington 98638
(Photos)
1962. Adult male, western hemlock looper. Naselle, Washington.
1963. Charcoal filter installed in Finn Creek in the 1963 hemlock looper spray area in an attempt to filter out any DDT in the water. Naselle, Washington.
1963. Charcoal filter installed in Finn Creek in the 1963 hemlock looper spray area in an attempt to filter out any DDT in the water. Naselle, Washington.
1963. Technical staff. Western hemlock looper control project. Naselle, Washington.
1963. Examining hemlock looper larvae in field lab. Western hemlock looper control project. Naselle, Washiongton.
1963. Sevin mixing plant. Western hemlock looper control project. Naselle, Washington.
1963. Examining a collection tray. Western hemlock looper control project. Naselle, Washington.
1963. Using a beating sheet to sample hemlock looper. Western hemlock looper control project. Naselle, Washington.
1963. Carrying case containing 5x7" glass slides used in field to collect Bt deposit during experimental spraying of western hemlock looper. Corvallis, OR.
1963. Numbers were painted on sample trees using a spray can. Each plot consisted of three codominant hemlock trees. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington.
1963. Sample trees at each test plot were designated by number, painted on by use of a spray can. One frass tray was placed under each sample tree. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington.
1963. Light helicopter used for observation of Bt experimental spraying and chemical insecticide control projects. Western hemlock looper control. Naselle, Washington.
1963. Helicopter spraying Bt over 325 acre experimental area on Long Island. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington.
1963. Helicopter spraying Bt over 325 acre experimental area on Long Island. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington.
1963. Bell G-2 helicopter at helispot on the shore of Willapa Bay. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington.
1963. Spray tank on Bell G-2 helicopter being refilled with Bt mixture at helispot. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington.
1963. Bell G-2 spray helicopter leaving helispot to continue spraying experimental area. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington.
1963. Bell G-2 helicopter landing at helispot to refill spray tanks wiht Bt. Jeep equipped with two 60 gallon tanks transported spray mixture from garage at the Refuge to helispot. Field test of Bt for western hemlock looper control. Naselle, WA.
1963. Helispot used for Bt application was on the shore of Willapa Bay, about two miles west of the Refuge. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington.
1963. The research crew landed at this spot on Long Island and hiked into the experimental area. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington.
1963. Boat dock where crews embarked to reach the experimental spray area on Long Island. Field test of Bacillus thuringiensis for western hemlock looper control. Willapa National Wildlife Refuge. Naselle, Washington.
1963. Access to the Bacillus thuringiensis experimental study area on Long Island was via Willapa National Wildlife Refuge. The boat dock is on the right. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington.
1963. Deposit of Thuricide 90-T on salal leaves, resulting from helicopter application on 325 acre experimental area. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington.
1963. Glass slides, dimension 5x7 inches are taken from carrying box and placed in predetermined locations in openings for exposure to Bacillus thuringiensis spray. Western hemlock looper control. Naselle, Washington.
1963. Glass slides for estimating deposit from Bacillus thuringiensis spraying are carried in wooden boxes over a trail to sampling locations. Field test of Bacillus thuringiensis for western hemlock looper control. Willapa National Wildlife Refuge, WA.
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