Documented sources and company information for Vermont Structural Slate / James River Slate.
3 verified own-quarry stones · 1 with origin unconfirmed
Slate · Virginia
Colour families: Gray, Black
Flooring · Landscape & site stone · Cladding & exterior walls · Countertops · Roofing
Documented quarry operator: James River Slate Company
Source-supported material link to a documented operation of this producer.
Relationship source 1Relationship reviewed 2026-09-23
Slate · Vermont
Colour families: Green, Gray
Flooring · Landscape & site stone · Cladding & exterior walls · Countertops · Roofing
Documented quarry operator: Vermont Structural Slate
The exact Unfading Green Slate product page explicitly attributes this Vermont stone to the producer's green slate quarry, which it describes as operating for over 150 years. The sister-company profile grouping does not transfer this quarry to James River Slate.
Relationship source 1Relationship reviewed 2026-09-23
Origin unconfirmed
Slate · Vermont
Colour families: Gray, Black
Flooring · Landscape & site stone · Cladding & exterior walls · Countertops · Roofing
The material is attributed to this producer; its quarry origin or operating relationship has not been confirmed.
A documented own-quarry or operator relationship is not established by the retained offering evidence.
Relationship source 1A documented own-quarry or operator relationship is not established by the retained offering evidence.
Relationship source 2Relationship reviewed 2026-09-23
Slate · Vermont
Colour families: Green, Purple / lilac
Flooring · Landscape & site stone · Cladding & exterior walls · Countertops · Roofing
Documented quarry operator: Vermont Structural Slate
Reviewed primary producer and quarry relationship.
Relationship source 1Reviewed primary producer and quarry relationship.
Relationship source 2Reviewed primary producer and quarry relationship.
Relationship source 3Reviewed primary producer and quarry relationship.
Relationship source 4Relationship reviewed 2026-09-28
Colours and uses reflect the linked source descriptions. Confirm origin, samples and suitability for the proposed application with the producer.
These are the records linked by the curated register, which may cover only part of the producer’s operations. Portable records and facilities are identified separately.
MSHA: Active · Mine ID 4407307
James River Slate Company Inc
Snapshot: 18 September 2026. Mine source record 4407307 · Look up this ID at MSHA · Status effective 29 July 2013Regulatory classification; confirm current supply separately.
Mine source recordMSHA: Intermittent · Mine ID 4300359
BUSH QUARRY
Snapshot: 18 September 2026. Mine source record 4300359 · Look up this ID at MSHA · Status effective 20 August 2024Regulatory classification; confirm current supply separately.
Mine source recordMSHA: Intermittent · Mine ID 4300059
EUREKA QUARRY
Snapshot: 25 September 2026. Mine source record 4300059 · Look up this ID at MSHA · Status effective 9 May 2025Regulatory classification; confirm current supply separately.
Mine source recordMSHA’s NO_EMPLOYEES field comes from the Mine Information Form. The snapshot is dated 18 Sept 2026; it does not give this field a reporting-period date. These are mine-record figures, not current company headcounts or proof of production. MSHA field definitions.
Documented materials or architectural quarry records support this listing. An exact mine identity is not inferred where no supported association exists. NSI membership, photographs and employee count are not eligibility requirements.