Form: 97BB Docs
Dated: 14 Feb 2006
From: Francis Ridge,
Subject: Ellsworth AFB Incident, August 5, 1953; Radar/Visual, formerly SECRET
Cat: 9,11
Distribution: SHG, CE, NCP

The following pdf file contains all of the resized Project Blue Book documents below and is now housed on the NICAP site for security reasons.

The original over-sized docs from the Project Blue Book Archives com site are listed below:

NARA-PBB85-901-904, beginning with

MISC-PBB1-109-111, beginning with


Investigation of reported Visual/Radar sightings at Bismarck, North Dakota and Black Hawk, South Dakota, on Aug. 5/6, 1953, by Captain Charles Hardin and J. Allen Hynek.(Dan Wilson)

MISC-PBB1-123-151, beginning with