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Correspondence Regarding Sulphur Smoke Injury to Crops in the Sulphur Springs Valley, Cochise County, Arizona
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. Included materials: ...
castanoe - 2021-06-07 11:24
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Paul S. Martin Papers
This collection consists of professional correspondence, research files and publication files of paleoecologist and geoscientist Dr. Paul S. Martin, Emeritus Professor of Geosciences at the University of Arizona. Collection also includes material relating ...
castanoe - 2022-03-01 13:04