Kaolin and china clay in the Pacific northwest Wilson, Hewitt 1891- creator Goodspeed, George Edward. United States Bureau of Mines. University of Washington text wau Seattle University of Washington 1934 monographic eng
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184 p. incl. maps, tables, diagrs. 23 cm. by Hewitt Wilson, with geological contributions by George Edward Goodspeed ... "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. Kaolin Clay TN942 .W53 Washington (State) University. Engineering experiment station. Engineering experiment station series. Bulletin no. 76 po 34000045 Library, U.S. Patent Office 870529 20260227111858.0 po 34000045