Rootedin Idaho.
Owned by native Idahoans. Quality-driven. One proven limestone resource in Custer County, connected from the ground to your delivery.
More than 3,600 acres of deeded and claim ground beside Highway 93, with more than a billion tons of proven resources. Independent labs have tested the stone since the early nineties.
- 97–99.9%
- Calcium carbonate, typical analysis
- 3,6OO+
- Acres at the Darlington deposit
- 1B+
- Tons of proven resources
- 2
- Idaho sites, source to mill
We mechanically crush, classify and mill the stone into a range of products. This preserves the natural calcium carbonate rather than converting it through calcination.
Review the analysisTwo sites, one connected operation. The source at Darlington, the mill at Gooding, the same people behind both.
Darlington mine
The source. Primary crushing and screening turn the deposit into crushed and classified grades.
Gooding milling site
Finer material continues to milling for the −10 blend and the −200 and −300 mesh powders.
Owned by native Idahoans, built around service. Mining, processing and technical specialists work together, and the conversation starts with your application.
From a first sample to a regular supply schedule, the conversation starts with your application. We help you review grade, analysis, handling and delivery requirements.
Talk with our teamPart of this place. Responsible use of the land, employee safety and investment in the communities around Darlington and Gooding.
- 01Mechanical, not chemical.Crushed, screened and milled. Not burned, nothing added.
- 02People and place.Employee safety and responsible use of the land are our standard operating procedure.
- 03Rooted in Idaho.The people who know the deposit also stand behind your supply.
Documentation for your operation. Current analysis and processing information for the grade you are considering, in the form your certifier needs.
Our mechanical process uses no acids, bleaches or synthetic processing additives. We provide the material information your certifier needs to evaluate its use in your operation.
Explore quality & analysisLet’s put itto work.
Share your application, specifications and volume. We’ll help you select a grade, evaluate a sample and plan your supply.
