Preliminary report of some of the refactory clays of western Oregon

This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program.  It is for informational purposes and may not be suitable for legal purposes., "This paper presents the results of work done under a cooperative agreement between the Bureau of Mines, the University of Washington and the Oregon State Department of Geology and Mineral Industries.", Photoprinted., Bibliographical foot-notes., Mode of access: Internet from the Oregon Government Publications Collection.
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This archived document is maintained by the State Library of Oregon as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.
Subject(s): n-us-or
Clay -- Oregon
Clay industries -- Oregon
Date Issued: 1938