You might notice an unusual-looking hoop hanging from a helicopter in the sky above central Illinois over the next month. It's all part of a decade-long project, called the Next Generation Water Observing System, to gain a better understanding about the water beneath our feet.
You might notice an unusual-looking hoop hanging from a helicopter in the sky above central Illinois over the next month. It's all part of a decade-long project, called the Next Generation Water Observing System, to gain a better understanding about the water beneath our feet.