Moen, W. S. (1982). The mineral industry of Washington: Highlights of its development, 1853-1980. State of Washington, Dept. of Natural Resources, Division of Geology and Earth Resources.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMoen, Wayne S. The Mineral Industry of Washington: Highlights of Its Development, 1853-1980. [Olympia, Wash.]: State of Washington, Dept. of Natural Resources, Division of Geology and Earth Resources, 1982.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMoen, Wayne S. The Mineral Industry of Washington: Highlights of Its Development, 1853-1980. State of Washington, Dept. of Natural Resources, Division of Geology and Earth Resources, 1982.
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