Deep in Michigan’s U.P., this little-known preserve leads to a striking underground world that feels far wilder than most ...

Under the hills and valleys of Carroll County geologists find an odd assortment of rocks – products of earth’s complex geologic history. limestone, a sedimentary rock, is one we have in abundance.

Over a century ago, on Canada's Vancouver Island, an abandoned limestone quarry was given a second life as one of the world's ...

The New London Quarry became operational in 1938, 26 years before it was purchased by the Murphy family, of MCC Inc., to extract mainly dolomite, sandstone and limestone. Over the years, residents ...