TENSLEEP MINE
Active
Surface
Nonmetal
Operator: Black Hills Bentonite
Controller: BHB Limited Partnership; A&M Products
Location: Tensleep, Washakie County, WY
Employees: 8
133
Violations
32
S&S Violations
20
Accidents
$28K
Penalties
Recent Violations
View all 133 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 02/24/2026 | 56.4201(a)(1) | Non-S&S | LowNegligence | $0 |
| 07/30/2025 | 56.14207 | Non-S&S | ModNegligence | $267 |
| 07/30/2025 | 56.14132(b)(1)(i) | Non-S&S | ModNegligence | $267 |
| 12/03/2024 | 56.14100(b) | Non-S&S | ModNegligence | $151 |
| 12/03/2024 | 56.14101(a)(3) | S&S | ModNegligence | $177 |
| 12/03/2024 | 56.14101(a)(2) | S&S | ModNegligence | $549 |
| 09/12/2024 | 56.4201(a)(1) | Non-S&S | ModNegligence | $147 |
| 09/12/2024 | 56.14101(a)(2) | S&S | ModNegligence | $535 |
| 03/12/2024 | 46.9(c)(5) | Non-S&S | ModNegligence | $147 |
| 03/12/2024 | 56.4201(a)(2) | Non-S&S | ModNegligence | $161 |
| 03/12/2024 | 56.4201(a)(2) | Non-S&S | ModNegligence | $161 |
| 03/12/2024 | 56.20003(a) | S&S | ModNegligence | $535 |
| 03/12/2024 | 47.41(a) | Non-S&S | ModNegligence | $147 |
| 09/20/2023 | 56.9101 | Non-S&S | ModNegligence | $346 |
| 07/19/2023 | 56.4201(a)(2) | Non-S&S | ModNegligence | $232 |
| 07/19/2023 | 56.14207 | Non-S&S | ModNegligence | $772 |
| 07/19/2023 | 56.14100(b) | Non-S&S | ModNegligence | $232 |
| 02/07/2023 | 46.9(b)(2) | Non-S&S | LowNegligence | $143 |
| 02/07/2023 | 46.9(b)(5) | Non-S&S | ModNegligence | $143 |
| 02/07/2023 | 41.12 | Non-S&S | ModNegligence | $143 |
Accidents & Injuries
View all 20 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 03/17/2023 | POWERED HAULAGE | DAYS AWAY FROM WORK ONLY | 6d lost |
| 06/12/2022 | STRIKING OR BUMPING | DAYS AWAY FROM WORK ONLY | 4d lost |
| 05/26/2022 | POWERED HAULAGE | DAYS AWAY FROM WORK ONLY | 1d lost |
| 11/09/2021 | POWERED HAULAGE | DAYS AWAY FROM WORK ONLY | 6d lost |
| 07/28/2021 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 8d lost |
| 02/08/2021 | OTHER | DAYS AWAY FROM WORK ONLY | 32d lost |
| 03/09/2020 | POWERED HAULAGE | DAYS RESTRICTED ACTIVITY ONLY | 1d restricted |
| 07/12/2017 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 08/04/2015 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 2d lost |
| 09/13/2014 | POWERED HAULAGE | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 85 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/24/2026 | 12.75 | 1 | |
| 07/30/2025 | 07/31/2025 | 20.50 | 1 |
| 12/02/2024 | 12/04/2024 | 19.75 | 1 |
| 09/24/2024 | 09/25/2024 | 15.00 | 1 |
| 09/12/2024 | 09/12/2024 | 9.75 | 1 |
| 03/18/2024 | 03/21/2024 | 14.50 | 1 |
| 03/11/2024 | 03/14/2024 | 36.50 | 1 |
| 09/20/2023 | 09/22/2023 | 11.00 | 1 |
| 07/18/2023 | 07/21/2023 | 19.00 | 1 |
| 02/05/2023 | 02/09/2023 | 33.75 | 1 |
Mine Details
MSHA Mine ID4800954
Mine TypeSurface
StatusActive
CommodityNonmetal
SIC DescriptionBentonite
Employees8
Days/Week5.0
Hours/Shift12.0
Coordinates42.8483330, -106.3627780
Nearest TownTensleep
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Frequently Asked Questions
How many MSHA violations does TENSLEEP MINE have?
TENSLEEP MINE has 133 MSHA violations on record, of which 32 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $28K.
What type of mine is TENSLEEP MINE?
TENSLEEP MINE is a Surface mine producing Nonmetal, located in Tensleep, Washakie County, WY. It currently has 8 employees.
Has anyone been injured or killed at TENSLEEP MINE?
According to MSHA records, TENSLEEP MINE has 20 reported accident/injury records and 0 fatalities on file.
Who operates TENSLEEP MINE?
TENSLEEP MINE is operated by Black Hills Bentonite and controlled by BHB Limited Partnership; A&M Products. MSHA Mine ID: 4800954.