Helicopters documenting groundwater in Michigan
Local officials and residents in numerous Michigan counties may notice low-flying helicopters carrying a suspended apparatus in the coming months. In partnership with the Michigan Department of Environment, Great Lakes, and Energy (EGLE), the U.S. Geological Survey (USGS) is conducting an Airborne Electromagnetic (AEM) Survey project in southwest Michigan this spring to improve available data on Michigan’s groundwater availability and aquifer mapping…