CaseUnknown1968
Yankton (Gavins Point Dam), SD, USA
Blue sky black, beam of light, South Dakota camp rangers on blow horns "what you have just seen was a rare phenomenon of the weather.
Report quality: Moderate55/100
This score reflects report-quality signals on file — how complete, corroborated, and precisely located the report is — not a claim about whether the sighting was a real craft.
- Duration parsed: 1200s, a plausible sighting length
- Detailed witness text (133 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1968-06-30
- Where
- Yankton (Gavins Point Dam), SD, USA
- Shape
- Unknown
- Duration
- 20 minutes
- Geo
- 42.871, -97.397 · exact
- Slug
- unknown-over-yankton-gavins-point-dam-sd-1968-10e61a
In context
- This is one of 1 reports logged in Yankton (Gavins Point Dam), SD.
- This case is one of 5 South Dakota reports filed in 1968.
Report
Full narrative lands with dossier import for famous cases, or the NUFORC free-text summary above for standard reports. This shell is SSR-ready: one D1 row (including connections_json) per page.