@misc{indiciae4a45f05c8b20, title = {Geophysical Data Grids for the Conterminous United States}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1995}, doi = {10.3133/fs07895}, url = {https://pubs.usgs.gov/publication/fs07895}, note = {Source identifier: fs07895} }