Key Takeaway
Portable #3 is a temporarily idled surface mine producing SandAndGravel, located in SHERIDAN, Sheridan County, WY. It has 1 violations on record (0 S&S) and $151 in proposed penalties. Operated by MULLINAX INC.
Portable #3
Operator: MULLINAX INC
Controller: Nathan Mullinax
Location: SHERIDAN, Sheridan County, WY
Employees: 3
Recent Violations
View all 1 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 05/02/2025 | 62.120 | Non-S&S | LowNegligence | $151 |
Inspections
View all 2 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/12/2026 | 01/12/2026 | 5.50 | 1 |
| 04/30/2025 | 06/16/2025 | 24.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Portable #3 have?
Portable #3 has 1 MSHA violations on record, of which 0 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $151.
What type of mine is Portable #3?
Portable #3 is a Surface mine producing SandAndGravel, located in SHERIDAN, Sheridan County, WY. It currently has 3 employees.
Has anyone been injured or killed at Portable #3?
According to MSHA records, Portable #3 has 0 reported accident/injury records and 0 fatalities on file.
Who operates Portable #3?
Portable #3 is operated by MULLINAX INC and controlled by Nathan Mullinax. MSHA Mine ID: 4801898.