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USGS OF 81-889

Map and tables showing preliminary results of potassium-argon age studies in the Circle Quadrangle, Alaska, with a compilation of earlier dating work

Bibliographic Reference

Wilson, F.H., and Shew, Nora, 1981, Map and tables showing preliminary results of potassium-argon age studies in the Circle Quadrangle, Alaska, with a compilation of earlier dating work: U.S. Geological Survey Open-File Report 81-889, 1 sheet, scale 1:250,000.

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Keywords

Geochronology; Geology

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