According to the "UFOdna" website circa 2010, George Eberhart listed in his "A Geo-Bibliography of Anomalies" 1980 book that someone named Knowll, on 19 July 1978, in Hopson, Tennessee, USA, had a close encounter with an unidentified craft and its occupants.
The website indicates that on 19 July 1978, in Hopson, Tennessee, USA, there was a close encounter with an unidentified craft and its occupants. "An unidentifiable object and its occupants were observed at close range (Knowll)."
The sources are indicated as Eberhart, George M., A Geo-Bibliography of Anomalies, Greenwood Press, Westport, 1980, ISBN:0-313-21337-2.
Points to consider:
I did not find any other source than [ud1] for this case.
The [ud1] source usually gives synthetic information that does not reflect the exact case; for example, the plural "its occupants" is given for cases with only one alleged occupant. So all we have here is that there was apparently a CE3 case reported for 19 July 1978, in Hopson, Tennessee, USA, by someone named "Knoll".
List of issues:
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1
Data
Severe
February 1, 2012
Patrick Gross
Patrick Gross
Primary source not available.
Help needed.
Opened.
2
Ufology
Severe
February 1, 2012
Patrick Gross
Patrick Gross
No data.
Help needed.
Opened.
Evaluation:
No data.
Sources references:
* = Source I checked.
? = Source I am told about but could not check yet. Help appreciated.
[---] ? "A Geo-Bibliography of Anomalies", book by George M. Eberhart, Greenwood Press publishers, USA, 1980.
[ud1] * "19 Jul 1978 - Hopson, Tennessee, USA", web page by the website UFOdna, circa 2008, at www.ufodna.com/uf13/uf3/133834.htm