This web site contains digital data files and descriptions of aeromagnetic data
collected in California and Nevada through contracts for the U.S. Geological
Survey between 1996 and 2002. The survey ...
The Australian Digital Airborne Geophysical Data set consists of
reconnaissance measurements of magnetic field anomalies and land
surface emission of gamma rays in the range 0.3-3.0 MeV.
Stacked total ...