Principal facts for gravity data collected in Wisconsin

Online link http://pubs.usgs.gov/of/2003/of03-157/
Description Gravity anomaly surveys of Wisconsin, both separately by survey and combined.
Originators Snyder, Stephen L.; Geister, Daniel W.; Daniels, David L.; and Ervin, C. Patrick
Publication U.S. Geological Survey Open-File Report 03-157

States or counties

Wisconsin complete Bouguer anomaly map (east illumination)
Wisconsin complete Bouguer anomaly map (east illumination)