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Surficial Geological Map of the Yukon River and Sixtymile River valleys (parts of 115O/5, 12 and 115N/9), western Yukon
Surficial geological map (1:50,000 scale) of the Yukon and Sixtymile river valleys (parts of 115O/5, 12 and 115 N/9), western Yukon, including marginal notes on surficial geology, geomorphology and placer occurrences.