This collection contains correspondence primarily between R. B. Streets and J. G. Brown, plant pathologists at the University of Arizona, and Wyatt W. Jones employed by Phelps Dodge Corporation, Copper Queen Branch, Douglas, AZ.
This collection contains correspondence primarily between R. B. Streets and J. G. Brown, plant pathologists at the University of Arizona, and Wyatt W. Jones employed by Phelps Dodge Corporation, Copper Queen Branch, Douglas, AZ.