Plate 1. Natural Gamma Aeroradioactivity of the National Reactor Testing Station Area, Idaho

Map with graded color shading to show levels of naturally-occurring gamma aeroradioactivity within the Idaho National Reactor Texting Station Area. Details about the survey and map creation are printed at right. Scale 1:250,000.
Date: March 1963
Creator: Geological Survey (U.S.)
System: The UNT Digital Library