The end product - calcium carbonate - is stored in silos prior to being shipped in packages or in bulk. Calcium carbonate is an extremely fine, powder-like material that produces a considerable amount ...

Residents who live near a proposed limestone mine in Deemston Borough raised a number of concerns about air quality, dust, and other issues at a public hearing Monday at the East Bethlehem Volunteer ...

On Sunday morning, some children who lived near the Lafayette North Water Treatment Plant thought it was snowing. A white substance floated through the sky, eventually coating the streets, lawns and ...

Great Parks of Hamilton County is changing its plans for the Sharon Lake improvement project, which began in April.Previously, the contractor had been repositioning sediment with heavy equipment, ...

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.

An Easter egg hunt became an egg handout because of parents? concerns about lime dust covering people, property and pets in a Harford community. “We didn?t do the hiding of the eggs, just to be on the ...