Part 41, page 45
DB Cooper-11413Serials SE 164-81
Document date 30 May 1973
FBI 164-81, Vault Part 41 p. 45 (DB Cooper-11413), Report, dated 30 May 1973 — cooper.theunsolved.net/parts/Cooper-Part-41/pages/45
Transcript
The scan is the source; the transcript is machine-generated from it.
SE 164-81
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On December 1, 1971, a fixed wing aircraft from Woodland, Washington, was aloft and covered an area during a slight period of clear weather which encompassed the area from Woodland, Washington, north to Silver Lake in Cowlitz County, a distance of 40 miles and a section 10 miles on either side of the flight path of the hijacked aircraft. While this was being conducted, Agents in ground units were conducting door to door canvass in the vicinity of the southerly end of Cowlitz County. Total area covered by air was 800 square miles with negative results.
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On December 2, 1971, ten Agents walked in a defined search pattern the area in the immediate vicinity of the circle of search as set forth by Northwest Airlines. The terrain was found to be composed of fields which are being farmed and a number of impenetrable thickets which have fallen logs, hidden beaver ponds, and creeks and generally hazardous and most difficult terrain to search on foot. It was noted that in getting into the thicket and under- brush growth, it was so heavy that even if an item was five yards from the observer, it could easily be missed due to overgrowth problems. The area covered in this physical terrain search was 1 1/2 miles long and 2/3 of a mile wide and took approximately five hours. Negative results in the search.
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DB Cooper-11413
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25.