Flagstone quarry operator in Yavapai County near Drake, Arizona.
A current producer website has not been confirmed. This producer remains listed from the documented material catalogue or quarry register.
MSHA mine informationArizona State Mine Inspector: flagstone quarryNamed material listings are still being reviewed. The source record documents the producer or quarry operation; it does not establish a material range or current availability.
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 0202843
Rock Ridge Quarries
Snapshot: 18 September 2026. Mine source record 0202843 · Look up this ID at MSHA · Status effective 23 October 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.