Key Takeaway

Big Horn Basin Mines is a active surface mine producing Nonmetal, located in Greybull, Big Horn County, WY. It has 59 violations on record (13 S&S) and $17K in proposed penalties. Operated by Wyo-Ben, Inc.

Big Horn Basin Mines

Active Surface Nonmetal

Operator: Wyo-Ben, Inc

Controller: David Brown

Location: Greybull, Big Horn County, WY

Employees: 11

59
Violations
13
S&S Violations
10
Accidents
$17K
Penalties

Recent Violations

View all 59 →
Date Section S&S Negligence Penalty
12/03/2025 56.12006 Non-S&S ModNegligence $151
07/10/2025 56.14132 Non-S&S LowNegligence $151
07/10/2025 56.15001 Non-S&S LowNegligence $151
03/05/2024 50.30(b) Non-S&S ModNegligence $147
03/05/2024 56.12004 Non-S&S ModNegligence $305
03/05/2024 56.4500 Non-S&S LowNegligence $147
03/05/2024 56.14132(b)(1) Non-S&S LowNegligence $147
03/08/2023 56.12004 Non-S&S ModNegligence $143
02/22/2022 56.9300(a) S&S ModNegligence $1,358
02/22/2022 56.9300(a) S&S ModNegligence $442
02/22/2022 56.14100(b) S&S ModNegligence $407
02/22/2022 56.14100(b) Non-S&S HighNegligence $909
02/16/2022 56.9300(a) S&S ModNegligence $1,358
02/16/2022 56.18002(a) S&S ModNegligence $1,358
02/16/2022 56.4402 Non-S&S ModNegligence $133
01/12/2021 56.14207 Non-S&S ModNegligence $237
08/09/2019 56.9300(b) Non-S&S ModNegligence $121
12/17/2018 56.14132(a) Non-S&S ModNegligence $336
01/16/2015 50.30(a) Non-S&S HighNegligence $100
02/27/2014 Non-S&S $0

Accidents & Injuries

View all 10 →
Date Classification Injury Days Lost
11/30/2021 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None
10/23/2014 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 12d restricted
02/26/2014 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 2d restricted
08/26/2011 FIRE ACCIDENT ONLY None
08/26/2011 FIRE ACCIDENT ONLY None
12/19/2007 MACHINERY DYS AWY FRM WRK & RESTRCTD ACT 26d lost, 69d restricted
01/03/2007 MACHINERY DYS AWY FRM WRK & RESTRCTD ACT 8d lost, 33d restricted
07/19/2004 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None
02/18/2002 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 1d lost, 38d restricted
02/22/2000 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 18d restricted

Inspections

View all 68 →
Begin End Hours Inspectors
12/01/2025 12/08/2025 22.75 1
07/09/2025 07/10/2025 13.25 2
01/21/2025 01/22/2025 12.50 1
10/28/2024 10/31/2024 13.50 1
08/12/2024 08/15/2024 16.25 1
03/04/2024 03/07/2024 38.25 1
07/25/2023 07/27/2023 13.75 1
03/08/2023 03/10/2023 39.00 2
08/16/2022 08/17/2022 16.00 1
03/04/2022 03/04/2022 9.50 1

Mine Details

MSHA Mine ID4800974
Mine TypeSurface
StatusActive
CommodityNonmetal
SIC DescriptionBentonite
Employees11
Days/Week5.0
Hours/Shift10.0
Coordinates44.5113890, -108.0655560
Nearest TownGreybull

Frequently Asked Questions

How many MSHA violations does Big Horn Basin Mines have?

Big Horn Basin Mines has 59 MSHA violations on record, of which 13 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $17K.

What type of mine is Big Horn Basin Mines?

Big Horn Basin Mines is a Surface mine producing Nonmetal, located in Greybull, Big Horn County, WY. It currently has 11 employees.

Has anyone been injured or killed at Big Horn Basin Mines?

According to MSHA records, Big Horn Basin Mines has 10 reported accident/injury records and 0 fatalities on file.

Who operates Big Horn Basin Mines?

Big Horn Basin Mines is operated by Wyo-Ben, Inc and controlled by David Brown. MSHA Mine ID: 4800974.