United States. Bonneville Power Administration. (1939). Pacific Northwest mineral occurrences: August, 1939. U.S. Dept. of the Interior.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States. Bonneville Power Administration. Pacific Northwest Mineral Occurrences: August, 1939. Washington, D.C.: U.S. Dept. of the Interior, 1939.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States. Bonneville Power Administration. Pacific Northwest Mineral Occurrences: August, 1939. U.S. Dept. of the Interior, 1939.
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