Plate 1 - Areoradioactivity and Generalized Geologic Map of Parts of New York, Connecticut, Rhode Island, and Massachusetts
Description:
Map with graded color shading to show levels of naturally-occurring gamma aeroradioactivity in an area of New York, Connecticut, Rhode Island, and Massachusetts, along with an inset geologic sketch of the same region. Explanatory text about the survey and map creation are printed at right. Scale 1:250,000.
Date:
July 1963
Creator:
Popenoe, Peter
Location:
None