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Shape / form From year To year Country Time of day Witnesses Evidence Status Duration Sound Colour Motion Lights Sources include Min photos Min videos Min sources Min score

3D model Narrated

“Hillsdale”

Stories4

Ottawa County Sheriff and Deputies' Sighting over Lake Michigan

c. 1967 · Grand Haven, Ottawa County, Michigan (Lake Michigan shore)

United States

UAP · Other · 9 sources

29Thinly documented

Michigan "Swamp Gas" Sightings: Dexter and Hillsdale

March 20, 1966 · Mannor farm near Dexter, Washtenaw County, and Hillsdale College, Hillsdale, Michigan

United States

UAP · Egg · 47 sources

47Partially documented

The Nederland Tadpole: Power Failure Under a Hovering Object in Texas

February 6, 1966 · 619 South 17th Street, Nederland, Jefferson County, Texas

United States

UAP · Other · 9 sources

20Thinly documented

Houghton Lake Pilot Paced by Six Lights

July 16, 1964 · About 15 miles south of Houghton Lake, Roscommon County, Michigan (in flight at 4,500 ft)

United States

UAP · Formation · 8 sources

21Thinly documented

Names1

swamp gas Term · 9 stories
Two words that became a punchline.

Documents9 · see all

Federal Aviation Administration: 237UAP00052 Official release

Department of Transportation. Federal Aviation Administration.· 2023· 1 pages· 1 page mentions it
- p. 1 …phenomenon was cluster of lights traveling in a circular direction at approximately FL350. Hillsdale PD notified at 517-439-9913.
Unidentified flying objects: hearing before the Committee on Armed Forces of the House of Representatives, Eighty-ninth Congress, second session, April 5, 1966 ... Hearing transcript

U.S. House Committee on Armed Services· 1966-04-05· 88 pages· 7 pages mention it
- p. 5 …It has been determined, how- ever, that in Hillsdale, over and above the sincere and honest reporting by the young…
- p. 61 …In Hillsdale, VanHorn said he joined the 87 Hillsdale College coeds and their housemother to watch the object. He said…
House Armed Services Committee hearing on UFOs, April 5, 1966 Hearing transcript

Internet Archive· 1966-04-05· 37 pages· 3 pages mention it
- p. 11 …In Hillsdale, VanHorn said he joined the 87 Hilldale College coeds and their housemother to watch the object. He said…
- p. 12 …The latest was Monday night at Hillsdale College, where a county Civil-defense director, a former reporter and assistant dean…
UFOs and Related Subjects (Lynn Catoe, 1969) Document

Government Attic· 419 pages· 2 pages mention it
- p. 21 …Sighting of mysterious object by Hillsdale College (l~.lich.) coeds on March 14, 1966, and incident in which Betty and…
- p. 211 …The sighting of UFO on March 21-22, 1966, by girls and assistant dean of women at Hillsdale College, Michigan…
FBI file 62-HQ-83894, section 10 Document

Department of War· 184 pages· 3 pages mention it
- p. 13 …Air Fort:e said phenomena seen at Dexter and Hillsdale on the night ol March 20 probably were the result…
- p. 29 …Witnesses said they w at ch e d from the second floor of the Hillsdale College girls dormitory as the…
65 HS1-834228961 62-HQ-83894 Section 010 Official release

Federal Bureau of Investigation· 184 pages· 3 pages mention it
- p. 13 …Air Fort:e said phenomena seen at Dexter and Hillsdale on the night ol March 20 probably were the result…
- p. 29 …Witnesses said they w at ch e d from the second floor of the Hillsdale College girls dormitory as the…