Rock Failure Analysis

View of the Rocky Mountain Industrials limestone quarry. The rockslide occurred on the western / left side of the quarry. Photo by the Glenwood Springs Citizens’ Alliance, May 16, 2023. Use this page to access the geotechnical report prepared by Kilduff Underground Engineering Inc. of Denver for Rocky Mountain Industrials (RMI). The report was submitted

Impacts and Consequences

Impacts and Consequences of the Mine Expansion Proposal The impacts we face A mine scar running 1,800 vertical feet down the mountainside, visible from most of Glenwood Springs. Constant truck traffic between mine and rail yard, one truck each direction every 96 seconds, 6 a.m. to 6 p.m. daily. Noise from rock blasting, crushing, loading

Quarry Rockslide

Massive Slope Collapse Strikes Limestone Quarry Around 3 p.m. on Jan. 18, 2023, a massive slope collapse struck the Rocky Mountain Industrials (RMI) limestone quarry. The collapse caused a rockslide about 300 feet wide. It brought boulders and huge slabs of limestone tumbling down onto the mined slope below. A person in the vicinity described

Permit Enforcement

Mining operations at the Mid-Continent Quarry have not complied with county or federal permit requirements for more than a decade. Because the quarry is on federal public land managed by the U.S. Bureau of Land Management (BLM), it is regulated by BLM as well as by Colorado state government and Garfield County. When Rocky Mountain

Permit Enforcement by U.S. Bureau of Land Management

When Rocky Mountain Industrials (RMI) first purchased the quarry operation in 2016, U.S, Bureau of Land Management (BLM) officials informed the company that several compliance problems under the federal permit for the quarry carried over from the previous mine operator, CalX Minerals. BLM gave the company a temporary pass on dealing with permit violations. The

Permit Enforcement by Garfield County

In the fall of 2018, a few months after RMI announced its proposed mine expansion plan, the Glenwood Springs Citizens’ Alliance (GSCA) asked Garfield County to review operations at the  quarry. We suspected that several aspects of the mining operation did not comply with the special use permit that Garfield County issued for the quarry.

Rocky Mountain Industrials Inc. v. Garfield County

Efforts by Garfield County to enforce special use permit regulations for current quarry operations resulted in RMI filing suit against Garfield County. After nearly four years of legal wrangling, Garfield County prevailed in defending its authority to enforce permit conditions. In the fall of 2018, the Citizens’ Alliance, City of Glenwood Springs and Glenwood Caverns

Mine Expansion Proposal

In 2018, Rocky Mountain Industrials (RMI) shocked the Glenwood Springs community by announcing its plans to vastly expand the existing limestone quarry. The quarry is located on public lands that are managed by the U.S. Bureau of Land Management. The quarry lies directly north of the city of Glenwood Springs, and is accessed via Transfer