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	1.	Preliminary report of some of the refactory clays of western Oregon, by Hewitt Wilson and Ray C. Treasher. by Wilson, Hewitt, 1891- Treasher, Raymond Clarence, 1898- [joint author.] Series: Oregon. State Dept. of Geology and Mineral Industries. Bulletin ; no. 6 Material type: Text; Format: print ; Literary form: Not fiction Publication details: [Portland, Ore.] 1938 Availability: No items available. Add to cart (remove)
	2.	Kaolin and china clay in the Pacific northwest, by Hewitt Wilson, with geological contributions by George Edward Goodspeed ... by Wilson, Hewitt, 1891- Goodspeed, George Edward United States. Bureau of Mines University of Washington Series: Washington (State) University. Engineering experiment station. Engineering experiment station series ; Bulletin no. 76 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Seattle, University of Washington, 1934 Availability: No items available. Add to cart (remove)
	3.	Properties of quartz sands washed from kaolins of the Pacific northwest, by Hewitt Wilson and Frank Joseph Zvanut. by Wilson, Hewitt Zvanut, Frank Joseph, 1911- [joint author.] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Seattle, University of Washington, 1936 Availability: No items available. Add to cart (remove)
	4.	Silica sands of Washington, by Hewitt Wilson, Kenneth Guy Skinner, [and] Albert Harris Couch. by Wilson, Hewitt, 1891- Skinner, Kenneth Guy, 1906- [joint author.] Couch, Albert Harris [joint author.] United States. Bureau of Mines Series: University of Washington. Engineering Experiment Station. Engineering experiment station series. Bulletin ; no. 108 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Seattle, University of Washington, 1942 Availability: No items available. Add to cart (remove)

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