Sample locality map and analytical data for potassium-argon ages in the Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska Peninsula / U.S. Department of the Interior, U.S. Geological Survey ; by Frederic H. Wilson [and others].
Series Titles:
Miscellaneous field studies ; map MF-2155-E Miscellaneous field studies ; map MF-2155-E.