Upon my return from Peru in the fall of 1946, I spent several months revising notes and working over field maps from Viru. In May of 1947, the paper, Viru Valley: Background and Problems, was written in conjunction with Ford. This paper was intended as a joint introduction to Ford's Viru ceramic survey and my settlement study. Later, it was determined that the reports would not be issued together, and so the introductory, Viru Valley: Background and Prob lems, was published with Ford's Cultural Dating of Prehistoric Sites in Viru Valley, Peru (ford and Willey, 1949 a and b).
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