Academy Black®
Granite · California
Colour families: Black
View material sourceRockville White/Beige, Charcoal Black, Mesabi Black, Carnelian, Agate, Iridian, Lake Placid Blue, Sunset Red (TX), Sierra White and Academy Black (CA)
Contact & product sources
A current producer website has not been confirmed. This producer remains listed from the documented material catalogue or quarry register.
Website recorded in the register · not verified
https://coldspringusa.comMaterials & uses
Agate
Granite · Minnesota
Colour families: Multicolor, Red
View material sourceCarnelian®
Granite · South Dakota
Colour families: Brown, Red
View material sourceCharcoal Black®
Granite · Minnesota
Colour families: Black, Gray
View material sourceEcho Lake®
Granite · Minnesota
Colour families: Cream / buff, Pink
View material sourceIridian®
Granite · Minnesota
Colour families: Gray, White
View material sourceLake Superior Green®
Granite · Minnesota
Colour families: Green
MSHA reports this operation as Abandoned. Current stone availability and the supplying permit need confirmation; this status does not establish that the material is unavailable.
View material sourceMesabi Black®
Granite · Minnesota
Colour families: Black, Gray
View material sourceRadiant Red®
Granite · Texas
Colour families: Red
NSI lists the material, while MSHA record 4101216 reports Abandoned since 17 Jan 2025. Confirm current supply and the applicable permit with the producer.
View material sourceRainbow®
Granite · Minnesota
Colour families: Multicolor
MSHA reports this operation as Abandoned. Current stone availability and the supplying permit need confirmation; this status does not establish that the material is unavailable.
View material sourceRockville Beige
Granite · Minnesota
Colour families: Cream / buff, Pink
Rockville #2 (2100029) is Active in the MSHA snapshot. A separate, older Rockville record (2100022) is Abandoned. v0.7 placed the active record in its closures tab; this does not establish closure of the current operation. Confirm the applicable quarry record for the selected material.
View material sourceRockville White®
Granite · Minnesota
Colour families: Gray, White
Rockville #2 (2100029) is Active in the MSHA snapshot. A separate, older Rockville record (2100022) is Abandoned. v0.7 placed the active record in its closures tab; this does not establish closure of the current operation. Confirm the applicable quarry record for the selected material.
View material sourceSierra White®
Granite · California
Colour families: White
View material sourceSunset Red®
Granite · Texas
Colour families: Red
View material sourceColours and uses reflect the linked source descriptions. Confirm origin, samples and suitability for the proposed application with the producer.
12 linked MSHA operations
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.
2reported workersIntermittentStatus since 11/13/2024Portable record · fixed site not identified
10reported workersActiveStatus since 07/15/2013
6reported workersIntermittentStatus since 04/20/2017
6reported workersActiveStatus since 08/07/2000
9reported workersActiveStatus since 06/02/1987
6reported workersIntermittentStatus since 05/08/2025
3reported workersActiveStatus since 07/23/2020
5reported workersActiveStatus since 05/30/2006Facility record
5reported workersActiveStatus since 07/23/1972
8reported workersActiveStatus since 02/05/1975
4reported workersIntermittentStatus since 06/24/2019
48reported workersActiveStatus since 11/09/1972
MSHA’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.
Why this producer is here
Documented materials or architectural quarry records support this listing. An exact permit is not inferred where no supported association exists. NSI membership, photographs and employee count are not eligibility requirements.
- Register grouping
- ColdspringCurated relationship; not an independent ownership audit.
- Register source
- US_Dimension_Stone_Quarry_Register_v0.7.xlsx · Live dimension quarries / Producers (curated)Register reviewed 2026-09-23; MSHA snapshot 18 Sept 2026.
- NSI catalogue coverage
- At least one associated material or operation has an NSI catalogue match.Catalogue coverage does not establish current membership.