Geophysical Data Grids for the Conterminous United States by United States Geological Survey
= Geophysical Data Grids for the Conterminous United States by United States Geological Survey
{c}
{title2=1995}
https://pubs.usgs.gov/fs/fs-0078-95/FS078-95.html
The <gravity anomaly> section distinguishes <free-air correction>, simple <Bouguer slab> correction and complete terrain reduction.