Documents / Official release
This U.S. Department of War file, undated, holds checklist summaries of incidents 1 to 100 of unidentified flying objects reported in 1947 and early 1948. The first entries cover sightings of silver discs and spheres by officers and staff at Muroc Army Air Field on 7 and 8 July 1947. Next come the Portland, Oregon police reports of 4 July, a United Air Lines crew near Emmett, Idaho, and a set of 30 December flame and explosion reports from California and Nevada. The file ends with two Finnish sightings.
From the source:Release of 2026-05-08 Incident: N/A, N/A. NARA Record Group 38, catalogue id 143685. Each of these incident summaries includes a "Check-List - Unidentified Flying Objects" that contains details about the incident. Many summaries also include witness lists or statements and other narrative reports or descriptions.
“Anderson”4 pages
Read from the scan by GLM-OCR; expect the odd misread word.
## RESTRICTED CHECK-LIST - UNIDENTIFIED FLYING OBJECTS Incident 1. Date 13 Aug 47 2. Time 1300 3. Location Smoke River Canyon (near Twin Falls) Idaho 4. Name of observer A. C. Urie and two sons, Kenneth & Billy 5. Occupation of observer farmer 6. Address of observer Operator of "Auger Falls Trout Farm" 6 miles west of Blue Lakes Ranch, Snake River Canyon 7. Place of observation As above - going down the Snake River 8. Number of objects 1 9. Distance of object from observer 300 ft 10. Time in sight momentary 11. Altitude 75 ft from the canyon floor - 300 ft away from observer Speed 1000 MPH 13. Diroction of flight East to West 11. Tactics Road up and down over hills & hollows of canyon 15. Sound swishing sound 16. Sizo 20 feet by 10 ft in thickness 17. Color sky blue 9. Odor detected. None 20. Apparont' construction N/S Exhaust trails Exhaust flame - a red tubular fiery glow at the side of the top or hood Weather conditions E/S Effect on clouds I/S Sketches or photographs one Manner of disappearance disappeared behind hill Remarks: (over)
Official release, from the pursue collection. The PDF is mirrored here; the original link is above. The text was read from the page images by GLM-OCR; expect the odd misread word. 209 pages are in the text index: search them above, or from the library's search.