For nearly a century, the curve of the Mississippi River just east of Scott City was a hotbed for limestone mining. In 1998, mining stopped. Now, production is back on as the new Grays Point Stone and ...

Rocky Mountain Industrials (RMI) was ordered to stop mining by the U.S. Department of the Interior in a Jan. 3 letter citing permit violations and a lack of evidence of market development. RMI, which ...

U.S. Sen. John Hickenlooper joined Glenwood Springs city councilors, Garfield County commissioners and members of the ...

A Clarion County-based company has received the go-ahead to construct an underground limestone mine in Deemston. The state Department of Environmental Protection on Jan. 21 approved a permit for ...

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Martin Marietta wants to expand its northern New Hanover County limestone quarry to meet surging demand. Environmentalists worry about the loss of wetlands.

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 ...

FT. MYERS, Fla., Sept. 25, 2025 /PRNewswire/ -- North American Mining has secured a new 10-year contract to provide limestone mining services in Ft. Myers, Florida, expanding North American Mining'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 ...