Preliminary report of some of the refactory clays of western Oregon
Refactory clays of western Oregon, Preliminary report
Wilson, Hewitt
1891-
creator
Treasher, Raymond Clarence
1898-
joint author.
text
bibliography
oru
Portland, Ore.]
1938
monographic
eng
iv, 93 p. illus., maps. 28 cm.
by Hewitt Wilson and Ray C. Treasher.
"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.
n-us-or
Clay
Oregon
Clay industries
Oregon
TN942 .W54
285 s B no. 6
Oregon. State Dept. of Geology and Mineral Industries. Bulletin no. 6
gs 38000173
U. S. Geol. Survey. Libr.
780808
20260227111343.0
gs 38000173