following pdf file contains all of the resized Project Blue Book
documents below and is now housed on the NICAP site for security
I do not believe Hynek even considered the possibility that a 32-minute event could be explained by a bolide. Lt. Col. Robert Friend, Project Blue Book Chief:
5. The number of reports generated by the 18 April 1962 sighting, and the fact that the Air Force investigators came to a negative conclusion regarding the UFO, they indicated it couldn''t have been a meteor (Attachment #l), prompted further investigation by FTD. This case was investigated by Lt Col Robert J. Friend, FTD, and Dr. J. Allen Hynek, Air Force Consultant to the UFO program, on 7 May 1962. This investigation was completed in one full day and it was concluded that the object was a bolide. An attempt was made...
The original over-sized docs from the Blue Book Archives site are listed below:
Page ID (PID) MISC-PBB2-1113-1114
Collection Other Official Microfilm
Roll Description Misc Blue Book Files Roll 2