Key Takeaway

OSHOTO MINE is a intermittent surface mine producing Nonmetal, located in Upton, Weston County, WY. It has 70 violations on record (8 S&S) and $11K in proposed penalties. Operated by Black Hills Bentonite.

OSHOTO MINE

Intermittent Surface Nonmetal

Operator: Black Hills Bentonite

Controller: BHB Limited Partnership; A&M Products

Location: Upton, Weston County, WY

Employees: 3

70
Violations
8
S&S Violations
7
Accidents
$11K
Penalties

Recent Violations

View all 70 →
Date Section S&S Negligence Penalty
08/13/2024 56.14130(g) Non-S&S HighNegligence $147
08/13/2024 56.9315 S&S ModNegligence $576
08/13/2024 56.14132(a) Non-S&S HighNegligence $147
08/13/2024 56.14100(b) Non-S&S HighNegligence $147
02/14/2024 47.41(a)(1) Non-S&S ModNegligence $147
02/14/2024 56.14132(a) Non-S&S ModNegligence $147
02/14/2024 56.4402 Non-S&S ModNegligence $147
06/01/2023 46.9 Non-S&S HighNegligence $143
06/01/2023 46.9 Non-S&S HighNegligence $143
06/01/2023 46.12(a)(1) Non-S&S ModNegligence $143
06/01/2023 46.12(a)(1) Non-S&S ModNegligence $143
05/31/2023 46.9 Non-S&S ModNegligence $143
05/31/2023 46.9(c)(5) Non-S&S ModNegligence $143
05/31/2023 46.9(c)(5) Non-S&S ModNegligence $143
05/31/2023 46.9(c)(5) Non-S&S ModNegligence $143
05/31/2023 46.12(a)(1) Non-S&S ModNegligence $143
05/31/2023 46.12(a)(1) Non-S&S ModNegligence $143
05/31/2023 46.12(a)(1) Non-S&S ModNegligence $143
05/24/2023 56.4201(a)(1) Non-S&S ModNegligence $143
05/24/2023 56.4201(a)(1) Non-S&S HighNegligence $143

Accidents & Injuries

View all 7 →
Date Classification Injury Days Lost
02/21/2022 POWERED HAULAGE NO DYS AWY FRM WRK,NO RSTR ACT None
07/05/2018 POWERED HAULAGE NO DYS AWY FRM WRK,NO RSTR ACT None
10/17/2014 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 174d lost
03/30/2012 POWERED HAULAGE DAYS AWAY FROM WORK ONLY 84d lost
03/05/2012 MACHINERY DAYS AWAY FROM WORK ONLY 5d lost
02/08/2008 POWERED HAULAGE DAYS AWAY FROM WORK ONLY 41d lost
03/10/2003 POWERED HAULAGE DAYS AWAY FROM WORK ONLY 6d lost

Inspections

View all 66 →
Begin End Hours Inspectors
10/08/2025 10/22/2025 11.00 1
04/01/2025 04/16/2025 9.00 1
03/25/2025 03/26/2025 17.00 2
09/18/2024 09/18/2024 3.00 1
08/13/2024 08/19/2024 28.25 2
02/13/2024 02/23/2024 23.50 1
07/06/2023 07/07/2023 1.50 1
06/26/2023 06/27/2023 3.00 1
05/24/2023 06/07/2023 34.00 1
10/11/2022 10/17/2022 14.50 1

Mine Details

MSHA Mine ID4801376
Mine TypeSurface
StatusIntermittent
CommodityNonmetal
SIC DescriptionBentonite
Employees3
Days/Week5.0
Hours/Shift12.0
Coordinates42.8483330, -106.3627780
Nearest TownUpton

Frequently Asked Questions

How many MSHA violations does OSHOTO MINE have?

OSHOTO MINE has 70 MSHA violations on record, of which 8 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $11K.

What type of mine is OSHOTO MINE?

OSHOTO MINE is a Surface mine producing Nonmetal, located in Upton, Weston County, WY. It currently has 3 employees.

Has anyone been injured or killed at OSHOTO MINE?

According to MSHA records, OSHOTO MINE has 7 reported accident/injury records and 0 fatalities on file.

Who operates OSHOTO MINE?

OSHOTO MINE is operated by Black Hills Bentonite and controlled by BHB Limited Partnership; A&M Products. MSHA Mine ID: 4801376.