One of my projects underway is the development of a geological guide of the Northwest Lancaster County Recreational Trail. This trail stretches from Columbia north to Falmouth, about 14 miles, all ...

Marble is best known for what it can be made into — incredible artworks or tacky ashtrays. But before it was that prized white-grey rock, marble was something a lot more pedestrian — limestone. For ...

York County residents often travel somewhere in the world to visit a well-known locality. These locations are often natural exposures of rocks or maybe a combination of the actions of “Mother Nature” ...

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