Preliminary report of some of the refactory clays of western Oregon,
Wilson, Hewitt, 1891-
Preliminary report of some of the refactory clays of western Oregon, by Hewitt Wilson and Ray C. Treasher. - [Portland, Ore.] 1938. - iv, 93 p. illus., maps. 28 cm. - Oregon. State Dept. of Geology and Mineral Industries. Bulletin no. 6 .
"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.
gs 38000173
Clay--Oregon.
Clay industries--Oregon.
TN942 / .W54
285 s B no. 6
Preliminary report of some of the refactory clays of western Oregon, by Hewitt Wilson and Ray C. Treasher. - [Portland, Ore.] 1938. - iv, 93 p. illus., maps. 28 cm. - Oregon. State Dept. of Geology and Mineral Industries. Bulletin no. 6 .
"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.
gs 38000173
Clay--Oregon.
Clay industries--Oregon.
TN942 / .W54
285 s B no. 6