Part 96, page 301
DB Cooper-43235Serials PD 164-41, SE 164-81
Document date 13 February 1980
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FBI 164-81, Vault Part 96 p. 301 (DB Cooper-43235), Report, dated 13 Feb 1980 — cooper.theunsolved.net/parts/Cooper-Part-96/pages/301
Transcript
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SE 164-81 PD 164-41 [REDACTED] 2
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be broken into pieces by the auger then passed through the pipe and deposited on the beach. The material deposited on the beach was spread with tractors probably over a area of 50 yards in each direction. Because of the flow of the Columbia River, sand deposited on the bank by the dredge is washed away. Additionally, an amount of dredge material deposited on the beach slides back into the river. [REDACTED] [REDACTED] added that the dredge works 24 hours a day and any objects such as money or bones would go unnoticed if deposit- ed on the shore during the night.
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[REDACTED] provided six aerial photographs of the Columbia River which show the area where the 1974 dredge material was deposited on the [REDACTED]. The September 6, 1974, photographs show the deposit left after the dredging and is marked to indicate where the money was located. The August 9, 1970, photographs show the area before the dredging, and the September 29, 1979, photographs show the area as it appears at present.
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[REDACTED] also provided a chart titled Columbia River Willow Bar, dated December 4, 1979, which has been marked to show the location of the money, dredge material, and area of the channel that was dredged.
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DB Cooper-43235