Key Takeaway

Glenrock Mine 01 is a active surface mine producing SandAndGravel, located in Glenrock, Converse County, WY. It has 18 violations on record (5 S&S) and $3K in proposed penalties. Operated by Powder River Proppants, LLC.

Glenrock Mine 01

Active Surface SandAndGravel

Operator: Powder River Proppants, LLC

Controller: BGD LLC; Founders of PRP LLC

Location: Glenrock, Converse County, WY

Employees: 10

18
Violations
5
S&S Violations
4
Accidents
$3K
Penalties

Recent Violations

View all 18 →
Date Section S&S Negligence Penalty
10/14/2025 56.14109 S&S ModNegligence $226
10/09/2025 56.3430 Non-S&S ModNegligence $151
10/09/2025 56.14206(b) Non-S&S ModNegligence $151
10/09/2025 56.14132(a) Non-S&S LowNegligence $151
09/17/2025 56.11001 S&S HighNegligence $504
09/11/2025 56.9101 S&S LowNegligence $151
07/18/2025 50.30(a) Non-S&S ModNegligence $151
07/17/2025 56.4201(a)(1) Non-S&S LowNegligence $151
03/19/2025 50.30(a) Non-S&S ModNegligence $151
03/18/2025 56.12018 Non-S&S ModNegligence $151
03/18/2025 56.12017 S&S ModNegligence $165
03/11/2025 56.14112(b) Non-S&S LowNegligence $0
03/11/2025 56.14105 S&S ModNegligence $0
03/11/2025 50.10(b) Non-S&S ModNegligence $0
11/14/2024 56.12028 Non-S&S ModNegligence $147
11/13/2024 56.18002(b) Non-S&S ModNegligence $147
11/13/2024 56.14107(a) Non-S&S ModNegligence $147
11/13/2024 56.12028 Non-S&S ModNegligence $147

Accidents & Injuries

View all 4 →
Date Classification Injury Days Lost
01/10/2026 STEPPING OR KNEELING ON OBJECT NO DYS AWY FRM WRK,NO RSTR ACT None
12/12/2025 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None
09/11/2025 MACHINERY DAYS AWAY FROM WORK ONLY 2d lost
03/11/2025 HOISTING DAYS AWAY FROM WORK ONLY None

Inspections

View all 6 →
Begin End Hours Inspectors
10/09/2025 10/20/2025 47.00 1
09/15/2025 09/30/2025 55.00 2
07/17/2025 07/19/2025 28.00 1
03/18/2025 03/31/2025 26.50 1
03/11/2025 03/19/2025 49.50 1
11/12/2024 11/19/2024 30.00 1

Mine Details

MSHA Mine ID4801891
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees10
Days/Week7.0
Hours/Shift12.0
Coordinates42.8511110, -105.8325000
Nearest TownGlenrock

Frequently Asked Questions

How many MSHA violations does Glenrock Mine 01 have?

Glenrock Mine 01 has 18 MSHA violations on record, of which 5 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $3K.

What type of mine is Glenrock Mine 01?

Glenrock Mine 01 is a Surface mine producing SandAndGravel, located in Glenrock, Converse County, WY. It currently has 10 employees.

Has anyone been injured or killed at Glenrock Mine 01?

According to MSHA records, Glenrock Mine 01 has 4 reported accident/injury records and 0 fatalities on file.

Who operates Glenrock Mine 01?

Glenrock Mine 01 is operated by Powder River Proppants, LLC and controlled by BGD LLC; Founders of PRP LLC. MSHA Mine ID: 4801891.