Smiley, C. J., & Rember, W. C. (1979). Guidebook and road log to the St. Maries River (Clarkia) fossil area of northern Idaho. Idaho Bureau of Mines and Geology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSmiley, Charles J., और William C. Rember. Guidebook and Road Log to the St. Maries River (Clarkia) Fossil Area of Northern Idaho. Moscow: Idaho Bureau of Mines and Geology, 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSmiley, Charles J., और William C. Rember. Guidebook and Road Log to the St. Maries River (Clarkia) Fossil Area of Northern Idaho. Idaho Bureau of Mines and Geology, 1979.
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