Map and tables showing preliminary results of potassium-argon age studies in the Circle quadrangle, Alaska, with a compilation of previous dating work [microform] / by Frederic H. Wilson and Nora Shew ; Department of the Interior, United States Geological Survey.

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Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Wilson, Frederic H., 1950-, Shew, Nora
Format:	Government Document Map
Language:	English
Published:	[Reston, Va.?] : The Survey, 1981.
Series:	Open-file report (Geological Survey (U.S.)) ; 81-889.
Subjects:	Potassium-argon dating > Maps. Alaska > Maps.

Norlin Library - Government Information - Microform

Holdings details from Norlin Library - Government Information - Microform
Call Number:	I 19.76:81-889
I 19.76:81-889	Restricted Place a Hold