Key Takeaway
Rocky Mountain Quartzite Quarry is a intermittent surface mine producing Stone, located in OAKLEY, Cassia County, ID. It has 71 violations on record (17 S&S) and $16K in proposed penalties. Operated by Northern Stone Supply Inc.
Rocky Mountain Quartzite Quarry
Operator: Northern Stone Supply Inc
Controller: Greg Osterhout
Location: OAKLEY, Cassia County, ID
Employees: 12
Recent Violations
View all 71 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 06/10/2025 | 56.14100(b) | Non-S&S | ModNegligence | $151 |
| 06/10/2025 | 56.9300(b) | Non-S&S | ModNegligence | $151 |
| 06/10/2025 | 56.14100(b) | Non-S&S | ModNegligence | $151 |
| 08/07/2024 | 56.14107(a) | S&S | ModNegligence | $204 |
| 08/06/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 08/06/2024 | 56.14100(b) | S&S | LowNegligence | $147 |
| 08/06/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 08/06/2024 | 46.9(c)(3) | Non-S&S | ModNegligence | $147 |
| 07/28/2022 | 56.14132(a) | Non-S&S | ModNegligence | $133 |
| 07/28/2022 | 56.14207 | Non-S&S | ModNegligence | $133 |
| 07/28/2022 | 46.9(b)(5) | Non-S&S | ModNegligence | $133 |
| 10/19/2020 | Non-S&S | $0 | ||
| 10/19/2020 | 56.15005 | S&S | ModNegligence | $1,021 |
| 10/19/2020 | 56.11001 | S&S | ModNegligence | $412 |
| 10/19/2020 | 56.14107(a) | S&S | ModNegligence | $185 |
| 10/19/2020 | 56.14107(a) | S&S | ModNegligence | $185 |
| 10/16/2019 | 50.30(a) | Non-S&S | LowNegligence | $123 |
| 06/04/2019 | 46.5(a) | S&S | ModNegligence | $527 |
| 06/04/2019 | 56.12004 | Non-S&S | ModNegligence | $121 |
| 06/04/2019 | 56.12004 | Non-S&S | ModNegligence | $121 |
Accidents & Injuries
View all 5 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 07/07/2008 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/13/2006 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 76d lost |
| 07/17/2005 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 53d lost |
| 05/12/2005 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 51d lost |
| 08/09/2000 | POWERED HAULAGE | FATALITY | Fatal |
Inspections
View all 44 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 06/09/2025 | 06/10/2025 | 21.00 | 2 |
| 08/05/2024 | 08/12/2024 | 27.00 | 1 |
| 06/14/2023 | 06/14/2023 | 6.00 | 1 |
| 07/28/2022 | 07/28/2022 | 10.50 | 1 |
| 10/19/2020 | 10/22/2020 | 17.75 | 1 |
| 06/22/2020 | 06/23/2020 | 18.75 | 1 |
| 06/04/2019 | 06/05/2019 | 18.50 | 1 |
| 06/05/2018 | 06/06/2018 | 21.25 | 1 |
| 09/26/2017 | 09/26/2017 | 8.00 | 1 |
| 10/25/2016 | 10/25/2016 | 11.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Rocky Mountain Quartzite Quarry have?
Rocky Mountain Quartzite Quarry has 71 MSHA violations on record, of which 17 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $16K.
What type of mine is Rocky Mountain Quartzite Quarry?
Rocky Mountain Quartzite Quarry is a Surface mine producing Stone, located in OAKLEY, Cassia County, ID. It currently has 12 employees.
Has anyone been injured or killed at Rocky Mountain Quartzite Quarry?
According to MSHA records, Rocky Mountain Quartzite Quarry has 5 reported accident/injury records and 1 fatalities on file.
Who operates Rocky Mountain Quartzite Quarry?
Rocky Mountain Quartzite Quarry is operated by Northern Stone Supply Inc and controlled by Greg Osterhout. MSHA Mine ID: 1000648.