Isostatic residual gravity anomaly grid for the conterminous US

Online link https://mrdata.usgs.gov/gravity/isostatic/
Description Measurements of the gravitational field vary slightly from place to place due to the composition and structure of Earth's crust. This digital grid describes the isostatic residual gravity anomaly for the conterminous US.
Originators U.S. Geological Survey
Publication U.S. Geological Survey Digital Data Series 9
Metadata Questions and answers

States or counties