Libby to Dunham, 17 July 1957
Libby wrote on 17 July 1957, in his third year as Commissioner, pressing Dunham to begin a survey of natural background dose. The leaf is a file carbon: the name at the foot is typed and never signed.
1957-07-17 · 1 source pages

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Commentary by The Declassified Collection, separate from the original source.
Libby wrote on 17 July 1957, in his third year as Commissioner, pressing Dunham to begin a survey of natural background dose. The leaf is a file carbon: the name at the foot is typed and never signed.
A hand has written three questions at the foot asking what this is, what it costs, and where the money comes from, dated 7/19. The typed slug beneath it is the General Manager's.