Investigation of reported Visual/Radar sightings at
Bismarck, North Dakota, and Black Hawk, South Dakota,
on August 5/6, 1953, by Capt. Chas. Hardin and J. A. Hynek.
See:
| Page ID
(PID) |
MISC-PBB1-123 |
Collection |
Other Official
Microfilm |
Roll Description |
Misc Blue Book
Files Roll 1 |
Document Code |
|
http://www.bluebookarchive.org/page.aspx?PageCode=MISC-PBB1-123
to
http://www.bluebookarchive.org/page.aspx?PageCode=MISC-PBB1-151
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151