Preliminary report of some of the refactory clays of western Oregon
By: by Hewitt Wilson and Ray C. Treasher.
Contributors: Treasher, Raymond Clarence, 1898- joint author.
Series: Oregon. State Dept. of Geology and Mineral Industries. Bulletin; no. 6
Published: 1938
Place of publication: [Portland, Ore.]
Language: eng
Number of pages: 93
Subjects: Clay -- Oregon.; Clay industries -- Oregon.
Other titles: Refactory clays of western Oregon, Preliminary report.
Notes: Bibliographical foot-notes.
"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.