Part 96, page 317
Document date 25 February 1980
FBI 164-81, Vault Part 96 p. 317 (DB Cooper-43252), Letter, dated 25 Feb 1980 — cooper.theunsolved.net/parts/Cooper-Part-96/pages/317
Transcript
The scan is the source; the transcript is machine-generated from it.
[REDACTED — b6/b7C sender information block]
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February 25, 1980
Federal Bureau of Investigation 745 Wall Street Bend, Oregon 97701
Re: D. B. Cooper
Dear Sir:
This letter is written in observation of recent events publicized in the newspapers regarding the discovery of money materials along the Columbia River in Southwestern Washington.
The newspaper accounts of this discovery did not indicate that any further investigation was being done regarding the geologic factors in which the materials were found. [REDACTED] it occurred to me that there may be abundant information available that might not ordinarily be pursued in this type of investigation. Accordingly, the following suggestions are offered for your consider- ation:
1. Sediment trapped within the material and surrounding material may provide clues as to the source areas from which the sand and material were transported from.
2. The sediment material may provide a clue as to other likely areas along the Columbia where additional materials might be deposited.
3. Analysis of the local stratagraphy and sedimentology may give an indication of the date that the materials were deposited at the location of discovery.
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SEARCHED SERIALIZED FEB 28 1980 FBI-PORTLAND
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DB Cooper-43252
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6A-A1-1988