Box 3
Container
Contains 1 Collection or Record:
Notebook containing a hand-drawn map of Vietnam, some news-clippings, and Ricker's notes on how tunnels used by the Viet Cong could be located by means of geophysical prospecting methods., n.d.
File — Box: 3, Folder: 4
Scope and Contents note
From the Series:
Containing graphs, computations, and papers in typescript and Ricker's hand.
Dates:
n.d.