Project Blue Book records — NARA microfilm T-1206 (94 rolls)
official-recordprimary_documentProject Blue Book
National Archives finding aid for Project Blue Book: 94 rolls of microfilm (publication T-1206), the archival container holding the 1950 Oak Ridge AEC/CIC/OSI case files.
NARA finding aid: Blue Book records are 94 rolls of 35mm microfilm, publication T-1206 (~42 cu ft, incl. 3 cu ft of OSI records), 12,618 sightings with 701 unidentified. The record group that physically holds the individual 1950 Oak Ridge AEC/CIC/OSI case files. Contextual — the container, not a single sighting.