Aerial gamma-ray survey for parts of Cameron, Hidalgo, and Willacy Counties, Texas

Online link http://pubs.usgs.gov/of/2005/1231/
Description The USGS had an aerial survey flown over parts of Cameron, Hidalgo, and Willacy Counties in Texas. The aerial survey included measurements of the earth's magnetic field and of the radioactivity of the surface rocks and soils.
Originators Duval, Joseph S.
Publication U.S. Geological Survey Open-File Report 2005-1231

States or counties

Index map for aerial gamma-ray survey for parts of Cameron, Hildalgo, and Willacy Counties, Texas.
Index map for aerial gamma-ray survey for parts of Cameron, Hildalgo, and Willacy Counties, Texas.