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Researchers say the world has entered an era of global ‘water bankruptcy’—a point where many rivers, lakes, aquifers, and glaciers have been pushed past their capacity to recover. This finding […]
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Ottawa County, Michigan, relies on two aquifers for groundwater: a shallow upper glacial aquifer and a much deeper one known as the Marshall Sandstone. When snow melts in the spring, […]
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By Kyrmyzy Turebayeva
The U.S. Geological Survey has began large-scale low-level airplane flights over Michigan's Upper Peninsula and northern Wisconsin to obtain high-resolution data on subsurface mineral structures and bedrock composition. The data will be used to create two- and three-dimensional maps to better understand the geological structure at depths