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

Intermittent Surface Stone

Operator: Northern Stone Supply Inc

Controller: Greg Osterhout

Location: OAKLEY, Cassia County, ID

Employees: 12

71
Violations
17
S&S Violations
5
Accidents
$16K
Penalties

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

MSHA Mine ID1000648
Mine TypeSurface
StatusIntermittent
CommodityStone
SIC DescriptionDimension Stone NEC
Employees12
Days/Week5.0
Hours/Shift8.0
Coordinates42.1155560, -113.8580560
Nearest TownOAKLEY

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.