Online link | http://pubs.usgs.gov/of/2003/ofr-03-249/ |
---|---|
Description | Aeromagnetic surveys of North Dakota, merged to form seamless grids across the state. Gravity anomaly data are provided as well. |
Originators | Sweeney, Ronald E. and Hill, Patricia L. |
Publication | U.S. Geological Survey Open-File Report 03-249 |