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POTASSIUM-ARGON AGE DETERMINATIONS FROM THE PORT MOLLER AND STEPOVAK BAY QUADRANGLES, ALASKA PENINSULA
DuBois, G. D., Wilson, F. H., and Shew, N. B., 1987, Potassium-argon age determinations from the Port Moller and Stepovak Bay quadrangles, Alaska Peninsula: U.S. Geological Survey Open-File Report 87-0191, unpaged, 1 sheet, scale 1:250,000.