United States · 20 March 1966
Dexter and Hillsdale, 1966
DocumentedAbout eighty college students and their civil-defence director watched lights over a swamp on two nights, the Air Force announced the cause was swamp gas, and its own consultant conceded in the same file that he could not prove it in a court of law.
- Where
- Dexter and Hillsdale, southern Michigan
- When
- 20 March 1966
- Who reported it
- Two civilians, two county deputies, an officer and his wife, approximately 80 Hillsdale College students and a civil defence director
- Entities described
- None reported
- Handled as
- INVESTIGATED / EXPLAINED
- Evidence class
- GOV-2
The record
An official file preserves that a report was made and examined. It does not, by itself, establish what was seen.
- USAF Project Blue Book; investigation by Dr J. Allen Hynek Project Blue Book case file, Southern Michigan, March 1966 (172pp) (opens in a new tab)
The document is attached to this entry.
What is not settled
Marsh-gas ignition genuinely does produce low coloured lights. Witnesses were at night, at distance, and descriptions vary widely between observers.
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