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USGS B 1946

Oligocene age of strata on Unga Island, Shumagin Islands, southwestern Alaska

Bibliographic Reference

Marincovich, Louie, Jr., and Wiggins, V.D., 1990, Oligocene age of strata on Unga Island, Shumagin Islands, southwestern Alaska, in Dover, J.H., and Galloway, J.P., eds., Geologic studies in Alaska by the U.S. Geological Survey, 1989: U.S. Geological Survey Bulletin 1946, p. 39-43.

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