Material source record

Woodbury Gray Granite

Source checked 25 Sept 2026

Photo source: Polycor

Full-size source sample visually checked against its named material page. Site-owner approval; photographer and producer-issued license are not documented.

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Compare the producer’s sample photographs and confirm the current range and finish.

Material sources

Polycor: Woodbury Gray

Polycor: Woodbury Gray Quarry

Vermont quarry-site record

MSHA mine information

Light gray, salt-and-pepper granite quarried in Woodbury, Vermont, with a medium tight grain and consistent appearance.

Listed supplier: Polycor
Quarry / operation: Woodbury Gray quarry, Woodbury, Vermont — Polycor / Swenson Granite Works
Location: Vermont
Color families: Gray
Supply route: Dimension stone for interior and exterior applications. Confirm current block and finished-stone requirements.
Listing source: Producer documentation · source checked 25 Sept 2026
Photograph: Sourced photograph · checked 2026-09-25

MSHA: Active · Mine ID 4300289

MSHA record details

Woodbury Gray Quarry

Snapshot: 18 September 2026. Mine source record 4300289 · Look up this ID at MSHA · Status effective 5 March 2024

Regulatory classification; confirm current supply separately.

Material-to-mine association supported by the linked sources.

Mine source record

Independent source checks

U.S. material origin: VERIFIED
Material identity: VERIFIED
Producer relationship: VERIFIED
Quarry relationship: VERIFIED
Quarry location: VERIFIED
Operating record: VERIFIED
Photo source: VERIFIED
Photo permission: SITE_OWNER_APPROVED
Technical data: REVIEW

Each check stands on its own. A photo or coordinate review does not change a confirmed material identity or producer relationship. Operating records do not guarantee current inventory.

Documented capabilities

Dimensional stone: Yes
Source 1 · Source 2

Restoration and matching

Documented applications: Chicago City Hall; Cleveland City Hall; Pennsylvania Capitol; Bankers Trust Building / 14 Wall Street
Source

Related producer groups

Polycor

Source-described uses

Cladding & exterior walls · Interior walls & fireplaces · Flooring

Uses described by the producer. This is not a finding of suitability for a particular assembly or project.

Application source

Origin evidence

Extraction country: USA — verified[1][2]
Extraction state: Vermont — verified[1][2]
Quarry / operator: Woodbury Gray quarry, Woodbury, Vermont — Polycor / Swenson Granite Works[1][2]
MSHA Mine ID: 4300289[3]

Sources (3)

Source 1 · extraction country, extraction state, quarry / operator
Source 2 · extraction country, extraction state, quarry / operator
Source 3 · msha mine id

Confirm before specifying

Ask the supplier about current availability, material range, fabrication and test data for your application. A listing or MSHA status does not establish supply readiness.

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Supplier technical resources

Published specification summaries are available; a traceable material-specific laboratory report has not been verified.

Polycor identifies Woodbury Gray and its Vermont quarry. MSHA and Vermont regulatory records independently identify the quarry site.