A new report on frac-sand mining suggests that Americans living near desirable silica deposits should brace themselves for a long and lasting boom — not just in Wisconsin and Minnesota, where the bulk ...
Wisconsin’s pollution control agency released a draft Tuesday of a comprehensive study of sand mining to swift criticism from environmentalists who say it relies too heavily on industry-funded air ...
A groundbreaking discovery at White Sands, New Mexico, is challenging our understanding of early human mobility in North America. Archaeologists have unearthed the oldest vehicle tracks ever found, ...