Key Takeaway
Big Horn Mine is a active surface mine producing Stone, located in Wickenberg, Maricopa County, AZ. It has 173 violations on record (50 S&S) and $60K in proposed penalties. Operated by Custom Landscape Materials LLC.
Big Horn Mine
Operator: Custom Landscape Materials LLC
Controller: Sam Grant Phillip Schippers
Location: Wickenberg, Maricopa County, AZ
Employees: 8
Recent Violations
View all 173 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 03/03/2026 | 56.14107(a) | Non-S&S | ModNegligence | $0 |
| 09/16/2025 | 56.12016 | S&S | ModNegligence | $1,679 |
| 09/16/2025 | 56.20003(a) | Non-S&S | ModNegligence | $226 |
| 09/16/2025 | 56.14112(b) | Non-S&S | LowNegligence | $151 |
| 09/16/2025 | 56.14107(a) | Non-S&S | ModNegligence | $336 |
| 10/22/2024 | 56.9300(a) | S&S | HighNegligence | $492 |
| 10/22/2024 | 56.12019 | Non-S&S | ModNegligence | $147 |
| 10/22/2024 | 56.4201(a)(2) | Non-S&S | HighNegligence | $147 |
| 10/22/2024 | 47.41(a) | Non-S&S | ModNegligence | $147 |
| 10/22/2024 | 56.4104(a) | Non-S&S | ModNegligence | $147 |
| 10/22/2024 | 56.12068 | Non-S&S | ModNegligence | $147 |
| 10/22/2024 | 56.14112(a)(1) | S&S | ModNegligence | $221 |
| 10/22/2024 | 56.20003(a) | Non-S&S | HighNegligence | $147 |
| 10/22/2024 | 56.20003(a) | Non-S&S | HighNegligence | $147 |
| 10/22/2024 | 56.20003(a) | Non-S&S | ModNegligence | $147 |
| 10/22/2024 | 56.14100(a) | Non-S&S | ModNegligence | $147 |
| 10/22/2024 | 50.30(a) | Non-S&S | ModNegligence | $147 |
| 02/22/2024 | 56.4201(a)(2) | Non-S&S | HighNegligence | $861 |
| 02/22/2024 | 56.4201(a)(2) | S&S | NoNegligence | $9,510 |
| 02/22/2024 | 56.4100(b) | S&S | ModNegligence | $2,862 |
Accidents & Injuries
View all 4 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 04/30/2021 | POWERED HAULAGE | DYS AWY FRM WRK & RESTRCTD ACT | 98d lost, 10d restricted |
| 07/30/2020 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 12/04/2014 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 04/22/2014 | STEPPING OR KNEELING ON OBJECT | DAYS RESTRICTED ACTIVITY ONLY | 138d restricted |
Inspections
View all 70 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 03/03/2026 | 03/04/2026 | 0.00 | 0 |
| 09/15/2025 | 09/17/2025 | 25.50 | 1 |
| 10/21/2024 | 10/23/2024 | 16.00 | 1 |
| 07/16/2024 | 07/17/2024 | 10.75 | 1 |
| 02/22/2024 | 02/23/2024 | 20.50 | 1 |
| 08/16/2023 | 08/21/2023 | 19.25 | 1 |
| 02/14/2023 | 02/15/2023 | 23.50 | 1 |
| 04/27/2022 | 04/27/2022 | 11.50 | 1 |
| 11/02/2021 | 11/03/2021 | 14.25 | 1 |
| 08/18/2021 | 08/18/2021 | 12.00 | 1 |
Mine Details
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Frequently Asked Questions
How many MSHA violations does Big Horn Mine have?
Big Horn Mine has 173 MSHA violations on record, of which 50 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $60K.
What type of mine is Big Horn Mine?
Big Horn Mine is a Surface mine producing Stone, located in Wickenberg, Maricopa County, AZ. It currently has 8 employees.
Has anyone been injured or killed at Big Horn Mine?
According to MSHA records, Big Horn Mine has 4 reported accident/injury records and 0 fatalities on file.
Who operates Big Horn Mine?
Big Horn Mine is operated by Custom Landscape Materials LLC and controlled by Sam Grant Phillip Schippers. MSHA Mine ID: 0202804.