Low-flying Helicopter to Survey Shallow Bedrock in Northeast Wisconsin. This effort is in response to public groundwater quality concerns, limited data on depth to bedrock, and to better understand how activities on the surface impact water quality. Surveying will start in early January and will consist of a helicopter towing a large loop hanging from a cable.
Just want to inform you all in case you happen to the helicopter in the area.
Posted at 4:45 p.m. on December 28, 2020 The Brillion News THE LEDGE - A helicopter will be flying over the geologic formation known as "The Ledge" in northeast Wisconsin for the next few weeks, conducting an aerial survey for the U.S. Geological Survey (USGS). Starting on or around January 4 and la...