Interview of Portland State University geologist re Tena Bar site
This copy: Part 70 p. 186Also filed at Part 69 p. 187 (primary) · Part 43 p. 373 · Part 46 p. 48 · Part 65 p. 151 · Part 73 p. 48 · Part 73 p. 84
This copy’s own title
Interview of Portland State University geologist at Tena Bar
Interviewed 13 February 1980Dictated 14 February 1980Transcribed 14 February 1980
Another copy of this document is the primary, most legible copy: Part 69 p. 187.
Copies may differ in what was redacted.
Part of: Interview of Portland State University geologist re Tena Bar sediments and money deposition
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Id: Cooper-Part-70:186-186
Subject: Cooper Files: Cooper-Part-70:186-186 Document: FD-302 interview of Portland State University geologist at Tena Bar Id: Cooper-Part-70:186-186 Page: https://cooper.theunsolved.net/documents/Cooper-Part-70%3A186-186 What is wrong (title, date, type, which pages belong together, copies)? What does the scan show?
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FBI 164-81, Vault Part 70 p. 186 (DB Cooper-29990), FD-302 interview, interviewed 13 Feb 1980 — cooper.theunsolved.net/documents/Cooper-Part-70%3A186-186
FD-302 (REV. 3-8-77)
FEDERAL BUREAU OF INVESTIGATION
- 1 -
Date of transcription 2/14/80
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[REDACTED], Portland State University, home address [REDACTED], home telephone number [REDACTED], work telephone number [REDACTED], was interviewed following [REDACTED] Tena Bar in Vancouver, Washington, where portions of $20 bills had been found. These $20 bills were among the money furnished a person identifying himself as D. B. COOPER during a 1971 airplane high- jacking attempt. [REDACTED] was interviewed by SA [REDACTED] of the Portland, Oregon, FBI Office.
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[REDACTED] advised that he found the beach area in the vicinity where the money was found to be in approximately four different layers. These layers consisted of an upper sand layer, a post dredging sand layer, a clay lump (dredge) sand layer, and below that an older sand layer. The upper layer con- sisted of six inches to eight inches of reworked beach sand and is the sand which contained the fragments and bundles of the recovered money. This sand also contained soda pop cans and other debris, which were not severely damaged or rusted. The post dredging sand contained older soda pop cans, rusted nails and spikes, and other rusted artifacts, which were in a much more deteriorated condition. The clay lump (dredge) sand was a mix- ture of course sand and fragments of organic clay material, ranging from one inch to five inches in size. Based on U.S. Corps of Engineering records which reflect that they dredged the Columbia River at this site in 1974, [REDACTED] stated this clay layer in all probability, was deposited during that 1974 dredging. The older sands, which were light in color and uniform in texture and which were found below the clay lump sand, were deposited prior to the 1974 dredging.
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[REDACTED] advised that in the post dredging layer, he found cross bedded course and medium sand, which in- dicated the river and river waves had worked repeatedly on this layer since 1974. The upper six inches to eight inches of re- worked beach sand is the active layer which is currently being worked by the water of the Columbia River.
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Based on the condition of the money through observation, [REDACTED] advised that the money was probably washed into the location where it was found by natural river flow and was probably placed at the location of Tena Bar during the last rise in the Columbia River in the past two or three months.
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Investigation on 2/13/80 at Vancouver, Washington File # PD 164-41-[REDACTED]
by [REDACTED] Date dictated 2/14/80
DB Cooper-29990
This document contains neither recommendations nor conclusions of the FBI. It is the property of the FBI and is loaned to your agency; it and its contents are not to be distributed outside your agency.
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UB E, G, J, M, Q
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SUB M
Serials: PD 164-41