UFO case file · UFO-1493
Alton unidentified-object report — April 11, 1948
Alton, Illinois, United States
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NICAP's database preserves a brief report for April 11, 1948 at Alton, Illinois, United States: (38.90° N, 90.17° W). Siegmund. No fuller event sequence is included in the source entry.
Recorded details
- Coordinate precision
- LOCALITY_APPROXIMATE
- Date precision
- EXACT_DAY