Hosted on MSN2d
57,000-Year-Old Carvings on Limestone Found Deep Inside a Cave Are Oldest Known Neanderthal Prints
Old Carvings on Limestone Found Deep Inside a Cave Are Oldest Known Neanderthal Prints In 2024, researchers announced their ...
Sopris Sun10d
Scratching the surface at the Mid-Continent Limestone Quarry
The Mid-Continent Limestone Quarry on federal land outside of Glenwood Springs has operated since 1982 and is governed by the ...
DePauw5y
Quarry History
The DePauw Nature Park was the site of an active limestone quarry from 1917 to 1977. The limestone rock began forming 350 million years ago from the remains of animals living on the bottom of an ...
The Herald-Standard4d
Company gets go-ahead for underground limestone mine in Deemston
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 ...
The Aspen Times11d
Colorado denies RMI quarry expansion proposal
RMI was ordered to stop mining at the Mid-Continent limestone quarry in January. Submitted to the Colorado Division of Reclamation, Mining and Safety (DRMS) on Jan. 29, the proposal aimed to increase ...