Mine · Unicoi County, Tennessee, United States

Erwin Stone

Erwin Stone is a mine in Unicoi County, Tennessee, United States, operated by Tennessee Aggregates LLC.

Facts

Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.

Fact	Value	Source
Location	Unicoi County	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Status	Operating (active)	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Commodities	other industrial minerals (mainly other industrial minerals)	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Operator	Tennessee Aggregates LLC	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Mine type	Surface	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Coordinates	36.2664, -82.6992	MSHA Mines Data Set · Public domain · checked 24 Oct 2026

Research on this mine and its operator.Who owns it up to the parent company, its permits, resources and offtake, and an introduction to the operator.

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How its operator compares

Tennessee Aggregates LLC operates 2 of the 2,675 mines in the United States in our data with a named owner; 200 owners have more. Counts cover the mines in our data that name an owner, holder or operator; an asset with several owners counts for each.

Operator in United States	Rank	Mines	Share
Alpha Metallurgical Resources Inc	1st	56	2.1%
Sev.en Global Investments a.s.	2nd	50	1.9%
Rosebud Mining Company	3rd	40	1.5%
Martin Marietta Materials Inc	4th	29	1.1%
Metinvest B V	4th	29	1.1%
Tennessee Aggregates LLC	201st	2	<0.1%

Nearby

Within 50 km of this mine: 1 power plant (997 MW), measured from the coordinates in the facts above.

Name	Kind	Size	Status	Distance
John Sevier	Power plant	997 MW	Operating	27 km

Operator and place

Other mines in Tennessee

All 44 mines in Tennessee, United States

Data on this page

Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
MSHA Mines Data Set. MSHA Mines Data Set, Public domain.