Kaolin and china clay in the Pacific northwest,
by Hewitt Wilson, with geological contributions by George Edward Goodspeed ...
- Seattle, University of Washington, 1934.
- 184 p. incl. maps, tables, diagrs. 23 cm.
- Washington (State) University. Engineering experiment station. Engineering experiment station series. Bulletin no. 76 .
"This paper presents the results of work done under a cooperative agreement between the Northwest experiment station, U.S. Bureau of mines, and the University of Washington, Seattle, Washington."
"References": p. 31-33. Bibliographical foot-notes.