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SURFICIAL GEOLOGIC MAP OF THE TYONEK B-4 QUADRANGLE, SOUTH CENTRAL ALASKA
Yehle, L. A., and Schmoll, H. R., 1994, Surficial geologic map of the Tyonek B-4 quadrangle, south central Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF 2258, unpaged, 1 plate, scale 1:31680.