Plate 1. Natural Gamma Aeroradioactivity of the GNOME (Carisbad) Area, New Mexico and Texas

Map with graded color shading to show levels of naturally-occurring gamma aeroradioactivity within the "Gnome" test area in New Mexico and Texas. Details about the survey and map creation are printed at right. Scale 1:250,000.
Date: 1964
Creator: MacKallor, Jules A.
System: The UNT Digital Library

Plates 1-3: Aeroradioactivity Map (ARMS-II), Galveston Area, Texas

Maps of four quadrants in the Galveston area surveyed as part of a radiological survey, outlining "Radioactivity levels in hundreds of counts per second normalized to 500 ft above ground." Scale 1:250,000.
Date: 1963
Creator: Edgerton, Germeshausen & Grier
System: The UNT Digital Library

Natural Gamma Aeroradioactivity of Parts of the Los Angeles Region, California

Map with graded color shading to show levels of naturally-occurring gamma aeroradioactivity within the Los Angeles region in California. Details about the survey and map creation are printed at right. Scale 1:250,000.
Date: 1962
Creator: Books, Kenneth G.
System: The UNT Digital Library