Geophysical Data Grids for the Conterminous United StateseBook - 1995
A fact sheet about the CD-ROM of gridded gamma-ray, gravity, magnetic, and topographic data for the conterminous United States with display software that allows the user to view data in image format and to overlay geology, state and county boundaries plus U.S. Geological Survey software for analyzing and processing potential-field geophysical data.
Publisher: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 
Characteristics: (online resource)