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Plate 1. Aeroradioactivity of East-Central New York and West-Central New England
Map with graded color shading to show levels of naturally-occurring gamma aeroradioactivity within the New England region of the U.S. Details about the survey and map creation are printed at right. Scale 1:250,000.
Date:
August 1962
Creator:
Popenoe, Peter
System:
The UNT Digital Library