NGWOS AEMs For Illinois - Aerially Mapping the Illinois River Basin
NGWOS AEMs For Illinois - Aerially Mapping the Illinois River BasinThe USGS is bringing expertise in the use of airborne electromagnetic (AEM) surveys to support groundwater studies. Like medical imaging allows us to non-invasively measure inside the human body, AEM surveys help to investigate Earth's subsurface without the need for expensive drilling.