Key Takeaway
GLENROCK MINE is a active surface mine producing Nonmetal, located in Glenrock, Converse County, WY. It has 41 violations on record (6 S&S) and $20K in proposed penalties. Operated by Black Hills Lignite A Limited Liability Co.
GLENROCK MINE
Operator: Black Hills Lignite A Limited Liability Co
Controller: Brad Knickel; Michael Farmar
Location: Glenrock, Converse County, WY
Employees: 5
Recent Violations
View all 41 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 12/20/2023 | 47.41(a) | Non-S&S | ModNegligence | $147 |
| 08/10/2023 | 56.9300(b) | Non-S&S | ModNegligence | $143 |
| 12/09/2022 | 56.9300(b) | Non-S&S | ModNegligence | $143 |
| 03/30/2022 | 56.4201(a)(1) | Non-S&S | ModNegligence | $155 |
| 03/30/2022 | 56.18002(a) | S&S | HighNegligence | $10,868 |
| 03/30/2022 | 41.12 | Non-S&S | ModNegligence | $133 |
| 12/16/2021 | 56.14132(b)(2) | Non-S&S | ModNegligence | $133 |
| 12/16/2021 | 56.14100(b) | Non-S&S | HighNegligence | $252 |
| 04/28/2021 | 56.18020 | Non-S&S | HighNegligence | $237 |
| 04/28/2021 | 56.4104 | S&S | HighNegligence | $2,493 |
| 04/28/2021 | 56.14207 | Non-S&S | ModNegligence | $125 |
| 04/28/2021 | 56.14100(b) | Non-S&S | HighNegligence | $237 |
| 04/28/2021 | 56.14207 | Non-S&S | ModNegligence | $125 |
| 04/28/2021 | 56.20003(c) | Non-S&S | ModNegligence | $125 |
| 04/28/2021 | 56.11001 | S&S | HighNegligence | $530 |
| 04/28/2021 | 56.15001 | S&S | HighNegligence | $530 |
| 10/31/2017 | 56.14100(b) | Non-S&S | ModNegligence | $116 |
| 07/22/2015 | 56.4201(a)(2) | Non-S&S | HighNegligence | $100 |
| 07/22/2015 | 56.4201(a)(2) | Non-S&S | HighNegligence | $100 |
| 04/05/2011 | 56.14103(b) | Non-S&S | HighNegligence | $117 |
Inspections
View all 43 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 07/24/2025 | 07/24/2025 | 9.50 | 1 |
| 12/09/2024 | 12/11/2024 | 10.75 | 1 |
| 06/12/2024 | 06/13/2024 | 13.75 | 1 |
| 12/20/2023 | 12/21/2023 | 7.50 | 1 |
| 08/08/2023 | 08/10/2023 | 23.50 | 1 |
| 12/06/2022 | 12/10/2022 | 13.50 | 1 |
| 03/30/2022 | 03/30/2022 | 11.50 | 1 |
| 01/03/2022 | 01/04/2022 | 10.50 | 1 |
| 12/16/2021 | 12/22/2021 | 18.50 | 1 |
| 05/16/2021 | 05/17/2021 | 9.00 | 1 |
Mine Details
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Frequently Asked Questions
How many MSHA violations does GLENROCK MINE have?
GLENROCK MINE has 41 MSHA violations on record, of which 6 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $20K.
What type of mine is GLENROCK MINE?
GLENROCK MINE is a Surface mine producing Nonmetal, located in Glenrock, Converse County, WY. It currently has 5 employees.
Has anyone been injured or killed at GLENROCK MINE?
According to MSHA records, GLENROCK MINE has 0 reported accident/injury records and 0 fatalities on file.
Who operates GLENROCK MINE?
GLENROCK MINE is operated by Black Hills Lignite A Limited Liability Co and controlled by Brad Knickel; Michael Farmar. MSHA Mine ID: 4801474.