In this particular Project Blue Book case, witnesses describe multiple UFOs seen at Presque Isle State Park, Pennsylvania, on July 31, 1966.

They also report indentations and even a “monster” sighting.

Project Blue Book investigators determined the lights were “unidentified” but felt the indentations were unrelated and the “monster” was a probable animal.

You decide. Here are the case files.

Document Archive

Project Blue Book Case File: Presque Isle State Park, Pennsylvania — July 31, 1966 [120 Pages, 47MB]

Project Blue Book Case File: Presque Isle State Park, Pennsylvania — July 31, 1966 — Additional Photos [15 Pages, 2.5MB]

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