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Thorsen, Gerald W.. Mineralogy of Black Sands at Grays Harbor, Washington In Division of Mines and Geology Report of Investigations. Vol. 23. Washington Department of Conservation, 1964.
W
Noson, Linda Lawrance, Anthony Qamar, and Gerald W. Thorsen. Washington State Earthquake Hazards In Division of Geology and Earth Resources Information Circular. Vol. 85. Washington Department of Natural Resources, 1988.