Sixteen To One Mine
NonProducing
Underground
Metal
Operator: Quartzview Corporation
Controller: Roger Haas; Simon Westbrook
Location: Alleghany, Sierra County, CA
345
Violations
60
S&S Violations
14
Accidents
$89K
Penalties
Recent Violations
View all 345 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 02/25/2026 | 57.8520 | Non-S&S | ModNegligence | $0 |
| 02/25/2026 | 57.4560(c) | Non-S&S | ModNegligence | $0 |
| 02/24/2026 | 57.11001 | S&S | HighNegligence | $0 |
| 02/24/2026 | 57.5002 | Non-S&S | LowNegligence | $0 |
| 02/24/2026 | 57.6132 | Non-S&S | LowNegligence | $0 |
| 07/16/2025 | 57.3360 | Non-S&S | ModNegligence | $151 |
| 11/05/2024 | 57.12028 | Non-S&S | ModNegligence | $147 |
| 07/16/2024 | 50.30(a) | Non-S&S | LowNegligence | $151 |
| 04/25/2024 | 49.3(b) | Non-S&S | LowNegligence | $147 |
| 04/25/2024 | 49.6(b) | Non-S&S | ModNegligence | $172 |
| 01/23/2024 | 57.14105 | S&S | ModNegligence | $1,395 |
| 01/23/2024 | 48.11(a) | Non-S&S | ModNegligence | $312 |
| 01/23/2024 | 57.18013 | Non-S&S | ModNegligence | $280 |
| 01/23/2024 | 57.14132(a) | S&S | ModNegligence | $626 |
| 01/23/2024 | 57.14102 | Non-S&S | ModNegligence | $280 |
| 10/25/2023 | 57.12030 | Non-S&S | LowNegligence | $232 |
| 10/25/2023 | 57.14107(a) | Non-S&S | ModNegligence | $232 |
| 10/25/2023 | 57.14100(b) | Non-S&S | LowNegligence | $143 |
| 07/13/2023 | 57.12030 | Non-S&S | LowNegligence | $143 |
| 04/25/2023 | 57.12034 | Non-S&S | ModNegligence | $143 |
Accidents & Injuries
View all 14 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 12/19/2023 | OTHER | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 11/18/2022 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 15d lost, 5d restricted |
| 10/11/2007 | MACHINERY | DAYS AWAY FROM WORK ONLY | 2d lost |
| 08/21/2007 | FALL OF ROOF OR BACK | DAYS AWAY FROM WORK ONLY | 3d lost |
| 09/23/2005 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 13d lost |
| 01/24/2002 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 1d lost |
| 08/17/2001 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 8d lost |
| 07/12/2001 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 24d lost |
| 04/17/2001 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 13d lost |
| 01/23/2001 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 132 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/17/2026 | 02/26/2026 | 47.00 | 1 |
| 10/07/2025 | 10/07/2025 | 9.50 | 1 |
| 09/03/2025 | 09/03/2025 | 6.75 | 1 |
| 07/29/2025 | 07/29/2025 | 9.00 | 1 |
| 07/16/2025 | 07/16/2025 | 14.50 | 1 |
| 04/03/2025 | 04/03/2025 | 37.00 | 3 |
| 01/14/2025 | 01/22/2025 | 28.50 | 1 |
| 11/04/2024 | 11/05/2024 | 8.75 | 1 |
| 07/23/2024 | 07/23/2024 | 6.50 | 1 |
| 07/16/2024 | 07/16/2024 | 12.00 | 1 |
Mine Details
MSHA Mine ID0401299
Mine TypeUnderground
StatusNonProducing
CommodityMetal
SIC DescriptionGold Ore
Days/Week0.0
Hours/Shift0.0
Coordinates39.4650000, -120.8422220
Nearest TownAlleghany
Related Mines
Plumbago Mine
Alleghany, Sierra County, CA
23 violations
Abandoned
Irelan Mine
ALLEGHENY, Sierra County, CA
20 violations
Abandoned
Triple Pocket Mine
Downieville, Sierra County, CA
16 violations
Abandoned
Colombo Mine
Sierra City, Sierra County, CA
12 violations
Abandoned
TELEGRAPH MINE
Downieville, Sierra County, CA
11 violations
Abandoned
Taber Mine
Laporte, Sierra County, CA
6 violations
Abandoned
Old Smith Family Mine
Downieville, Sierra County, CA
4 violations
Abandoned
NORTH FORK MINE
ALLEGHANY, Sierra County, CA
2 violations
Abandoned
Frequently Asked Questions
How many MSHA violations does Sixteen To One Mine have?
Sixteen To One Mine has 345 MSHA violations on record, of which 60 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $89K.
What type of mine is Sixteen To One Mine?
Sixteen To One Mine is a Underground mine producing Metal, located in Alleghany, Sierra County, CA. It currently has 0 employees.
Has anyone been injured or killed at Sixteen To One Mine?
According to MSHA records, Sixteen To One Mine has 14 reported accident/injury records and 1 fatalities on file.
Who operates Sixteen To One Mine?
Sixteen To One Mine is operated by Quartzview Corporation and controlled by Roger Haas; Simon Westbrook. MSHA Mine ID: 0401299.