MINE DETAILS
Walker Lane Mining LLC (Rawhide)
MSHA MINE ID2601030
LOCATION
Mine location
1 of 1 mine with usable MSHA coordinates. Select a marker to open a mine.
Mine coordinates
- Walker Lane Mining LLC (Rawhide)39.00361, -118.38611Open map ↗
Quarterly trends
2025 Q1 – 2026 Q4
Database snapshot · 2026-10-13. MSHA quarterly production and employment reports.
Coal production
0reported short tons
Hours worked
39,569reported employee hours
Tons per hour
0.00production ÷ hours worked
Missing values appear as —. Totals use available reports. Tons per hour requires production and hours for the same quarters and a nonzero hours total. * Striped bars mark partial mine coverage or an incomplete quarter. See the table for coverage.
Quarterly data and reporting coverage
| Quarter | Coal (short tons) | Hours worked | Tons / hour | Avg. employees | Coverage |
|---|---|---|---|---|---|
| 2025 Q1 | 0 | 15 | 0.00 | 1 | 1/1 mines reporting |
| 2025 Q2 | 0 | 25 | 0.00 | 1 | 1/1 mines reporting |
| 2025 Q3 | 0 | 10 | 0.00 | 1 | 1/1 mines reporting |
| 2025 Q4 | 0 | 2,444 | 0.00 | 13 | 1/1 mines reporting |
| 2026 Q1 | 0 | 11,685 | 0.00 | 32 | 1/1 mines reporting |
| 2026 Q2 | 0 | 25,390 | 0.00 | 44 | 1/1 mines reporting |
| 2026 Q3 | — | — | — | — | No report |
| 2026 Q4 | — | — | — | — | No report |
Safety and enforcement
2025-01-01 – 2026-10-13
Violations
10 significant & substantial (S&S)
Accident records
30 records classified as fatality
Proposed penalties · USD
151.001 of 1 violations with amounts
On-site inspection hours
10.003 inspections · 3 with hours
Counts are published records, including contractor records. * The quarter was incomplete at the snapshot date; recent counts may rise as reports arrive. — means no reported amount or hours. Portfolio totals use current membership.
Quarterly safety data
| Quarter | Violations | S&S | Proposed USD | Accident records | Fatality records | Inspections | On-site hours |
|---|---|---|---|---|---|---|---|
| 2025-Q1 | 0 | 0 | — | 0 | 0 | 0 | — |
| 2025-Q2 | 0 | 0 | — | 0 | 0 | 1 | 2.5 |
| 2025-Q3 | 0 | 0 | — | 0 | 0 | 0 | — |
| 2025-Q4 | 0 | 0 | — | 0 | 0 | 0 | — |
| 2026-Q1 | 0 | 0 | — | 1 | 0 | 1 | 3.0 |
| 2026-Q2 | 0 | 0 | — | 0 | 0 | 0 | — |
| 2026-Q3 | 1 | 0 | 151.00 | 2 | 0 | 1 | 4.5 |
| 2026-Q4 * | 0 | 0 | — | 0 | 0 | 0 | — |
Most cited CFR sections
All violations issued in the selected period. Counts combine subsections.
| Section | Violations | S&S |
|---|---|---|
| 30 CFR 56.11001Safe access. | 1 | 0 |
Safety activity
HANDLING OF MATERIALS · DAYS AWAY FROM WORK ONLY
Accident narrative
While cleaning out a process pond with a vac truck hose, the victim got some material on EE's upper arm which EE washed off. EE felt some irritation and then burning sensation so EE got out of the pond and used the emergency shower to wash off further. EE was still burning so EE was sent into the hospital in Fallon.
MACHINERY · DAYS AWAY FROM WORK ONLY
Accident narrative
While welding windows on a carbon column tank, a fresh carbon transfer was happening in the area. During the transfer water that had carbon in it sloshed down onto the area of work. Water with carbon splashed onto the welder's hood while it was up and a piece of carbon got into their eye. They tried to flushed it out at the sink.
Regular Safety and Health Inspection · 4.5 on-site hours
56.11001 · $151.00 proposed
SLIP OR FALL OF PERSON · DAYS AWAY FROM WORK ONLY
Accident narrative
While standing near the ore stockpile, the employee stepped on a loose rock, lost their balance, and fell to the ground, resulting in discomfort to their wrist. The injury was reported on March 17, 2026.
Regular Safety and Health Inspection · 3.0 on-site hours
Regular Safety and Health Inspection · 2.5 on-site hours
Safety sources and definitions
MSHA Violations (issue date), Accidents (accident date), and Inspections (begin date). Snapshot 2026-10-13.
Counts describe published rows, including contractor records; accident records are not distinct incidents or numbers of people injured.
Zero means no matching records in the imported sources, not proof of no events. Historical coverage differs by source; absence before a source begins reporting is not a zero incident rate. Invalid or absent dates and records after the snapshot are excluded.
S&S means SIG_SUB=Y. Fatality records use DEGREE_INJURY_CD=01. Proposed penalties are not final assessed or paid amounts; missing dollar values are omitted.
Inspection hours are SUM_TOTAL_ON_SITE_HOURS attributed to the inspection start date, without supervisor/trainee hours. Missing hours are omitted; a started inspection may still be open.
Portfolio totals use current mine membership, including events before the current owner or operator's tenure.
CFR headings link to the current Title 30 index; they are not historical legal determinations.
OWNERSHIP
Operator and controller history
Current ownership comes from MSHA Mines. Historical start and end dates come from MSHA Controller and Operator History.
—
Risher Randall IIIcontrolsWalker Lane Mining LLCoperatesWalker Lane Mining LLC (Rawhide)
msha-controller-operator-history · controller/operator co-tenure derived on mine 2601030—
Rawhide Acquisition Holding LLC et alcontrolsRawhide Mine LLCoperatesWalker Lane Mining LLC (Rawhide)
msha-controller-operator-history · controller/operator co-tenure derived on mine 2601030—
Rtz-CRA Group et alcontrolsRawhide Mine LLCoperatesWalker Lane Mining LLC (Rawhide)
msha-controller-operator-history · controller/operator co-tenure derived on mine 2601030—
Dayton Mining Corporation et alcontrolsRawhide Mine LLCoperatesWalker Lane Mining LLC (Rawhide)
msha-controller-operator-history · controller/operator co-tenure derived on mine 2601030—
British Petroleum Company PLCcontrolsKennecott Explorations (Australia) LtdoperatesWalker Lane Mining LLC (Rawhide)
msha-controller-operator-history · controller/operator co-tenure derived on mine 2601030—
Kiewit Mining Group et alcontrolsKiewit Mining Group IncoperatesWalker Lane Mining LLC (Rawhide)
msha-controller-operator-history · controller/operator co-tenure derived on mine 2601030—
Peter CandycontrolsWalker Lake Minerals IncoperatesWalker Lane Mining LLC (Rawhide)
msha-controller-operator-history · controller/operator co-tenure derived on mine 2601030—
Aztec Royalty InccontrolsEmpire MineralsoperatesWalker Lane Mining LLC (Rawhide)
msha-controller-operator-history · controller/operator co-tenure derived on mine 2601030—
General Mining CompanycontrolsGeneral Mining CompanyoperatesWalker Lane Mining LLC (Rawhide)
msha-controller-operator-history · controller/operator co-tenure derived on mine 2601030Other historical summaries · source-specific periods
RECORD SUMMARY
Production, safety and enforcement
These summaries use the periods stated on each card, independently of the reporting period above.
01 / SAFETYwatch
Accidents and injuries
64 historical accident/injury rows; 0 coded fatalities and 723 lost days across the published record.
ACCIDENT + INJURY RECORD11 since 2021
accidentsmine-production-quarterly02 / COMPLIANCEwatch
Violations and penalties
383 violation rows across the full record; 65 carry an S&S flag and $119,336 appears in current assessed amounts.
ENFORCEMENT ACTIVITY113 since 2021
inspectionsviolationsassessed-violationsorders-107a03 / HEALTHwatch
Occupational health samples
25 personal. 8 personal-sample rows have a published C/E ratio above 1; 0 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.
OCCUPATIONAL EXPOSURE25 samples
personal-health-samples04 / PRODUCTIONcontext
Quarterly production and employment
25K employee hours and 44 summed average employees across reported subunits in the latest published quarter.
2026-Q20 tons
mine-production-quarterlymine-production-yearly05 / LEGALwatch
Contests, conferences and decisions
56 contested-violation rows, 57 civil-penalty docket/decision rows, and 64 conference records linked by issuance number.
POST-ISSUANCE LIFECYCLE177 linked rows
conferencescontested-violationscivil-penalty-dockets-decisions06 / CONTRACTORScontext
Contractors
Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.
ENTITY-LEVEL CONTEXT14 linked entities
contractor-production-quarterlycontractor-production-yearlyaccidentsviolations07 / INSPECTIONScontext
Inspections
106 inspection events and 3K published inspection hours across the historical record.
OVERSIGHT COVERAGE39 since 2021
inspectionsviolationsHEALTH SAMPLING
Silica and quartz
Coal quartz, metal/nonmetal personal samples and area samples. Snapshot Oct 13, 2026. 8 silica records across the mine’s published history.
Personal silica samples · concentration / limit
Quarterly mean · published C/E ratio
— No eligible measurements. * Quarter in progress. Means describe the available samples, not average exposure across the mine.
Quartz % is the sample’s quartz content; µg/m³ is its reported concentration. Personal C/E is the ratio to the limit published with that sample. Personal and area concentration units and void status are not specified in those source files.
| Date / sample | Dataset / analyte | Occupation / area | Measurement | Sample status | Published action |
|---|---|---|---|---|---|
| No silica records match these filters. Missing samples do not establish safe conditions. | |||||
Sources and interpretation
- Coal means use numeric concentrations from samples marked not voided, excluding control/invalid sample types and dates after the snapshot. Missing values remain null; reported zeroes remain zero.
- Quarterly means describe available samples, not mine-wide or worker-average exposure. Quarters with no eligible measurements remain empty; the current quarter is partial.
- Personal C/E is MSHA's published concentration-to-limit ratio. A value above 1 is not by itself a citation or a determination under the 2024 silica rule. Personal and area files do not publish a void-status field.
- Area records include bulk-dust analyses and are kept separate from personal exposure results. Their concentration units are not specified in the source dictionary.
- Missing samples do not establish safe conditions. Coal quartz percentage and concentration are separate measures. No compliance threshold is inferred for coal samples.
Coal quartz field definitions ↗Metal/nonmetal personal field definitions ↗Metal/nonmetal area field definitions ↗
EIA + TITLE 30
EIA production and cited regulations
EIA annual figures are reported separately from MSHA. Regulation links use the current eCFR snapshot.
Not present in the 2024 EIA coal workbook.
This can mean the operation is non-coal, inactive for the annual period, or outside the EIA-7A reporting population.
30 CFR 56.11001Safe access.1 recent row ↗30 CFR 56.14100Safety defects; examination, correction and records.1 recent row ↗30 CFR 56.12032Inspection and cover plates.1 recent row ↗30 CFR 56.15006Protective equipment and clothing for hazards and irritants.1 recent row ↗30 CFR 56.15001First-aid materials.1 recent row ↗30 CFR 56.20011Barricades and warning signs.1 recent row ↗30 CFR 50.12Preservation of evidence.1 recent row ↗30 CFR 50.10Immediate notification.1 recent row ↗
RECENT PUBLIC RECORDS
Recent violations and samples
Latest records retained for inspection; aggregates above use the full source history.
510680656.11001Citation
934911156.14100(b)Citation
934909656.12032Citation
9682805—Citation
968269756.15006S&S
968269656.15001Citation
968269256.20011Citation
968269450.12Citation
Coal dust, noise and other contaminants. Silica records above ↑
Respirable dust, <.1mgDrill Operator, Rotary
C/E: 00.00Concentration: 0000.00 · limit: 0000.00Source unit unspecified
Respirable dust, <.1mgFlotation/Concentrator Oper.
C/E: 00.00Concentration: 0000.00 · limit: 0000.00Source unit unspecified
Respirable dust, <.1mgFlotation/Concentrator Oper.
C/E: 00.00Concentration: 0000.00 · limit: 0000.00Source unit unspecified
Hydrogen cyanidePump, Slurry Mix Operator
C/E: 00.01Concentration: 0000.07 · limit: 0010.00Source unit unspecified
CyanidesPump, Slurry Mix Operator
C/E: 00.00Concentration: 0000.00 · limit: 0005.00Source unit unspecified
Respirable dust, <.1mgTruck Driver
C/E: 00.00Concentration: 0000.00 · limit: 0000.00Source unit unspecified
SOURCE COVERAGE
Reporting dates and coverage
15 datasets contain linked records. Missing datasets are listed below.
DATASETROWSWINDOWSTATUS
Accident, Injuries, and Illnessessafety · contractors64Jan 11, 2000—Jul 22, 2026mine-keyed
Addresses of Recordidentity · logistics1Sep 25, 2011—Sep 25, 2011mine-keyed
Assessed Violationscompliance · legal379Feb 8, 2000—Jul 14, 2026mine-keyed
Civil Penalty Dockets and Decisionscompliance · legal57Nov 21, 2000—Dec 13, 2023mine-keyed
Coal Dust Sampleshealth · safety—No published rowsabsent / not applicable
Conferencescompliance · legal64Feb 28, 2000—Oct 28, 2021mine-keyed
Contested Violationscompliance · legal56Aug 31, 2010—Feb 17, 2023mine-keyed
Contractor Employment and Production — Quarterlycontractors · production · safety1,838Not published—Not publishedentity-linked
Contractor Employment and Production — Yearlycontractors · production · safety390Not published—Not publishedentity-linked
Controller and Operator Historyidentity · compliance9Jan 1, 1950—Dec 17, 2025mine-keyed
Mine Employment and Production — Quarterlyproduction · safety · compliance298Not published—Not publishedmine-keyed
Mine Employment and Production — Yearlyproduction · safety · compliance65Not published—Not publishedmine-keyed
Inspectionssafety · compliance106Feb 8, 2000—Jul 14, 2026mine-keyed
Minesidentity · production · logistics1Not published—Not publishedmine-keyed
Metal and Nonmetal Area Sampleshealth · safety—No published rowsabsent / not applicable
Metal and Nonmetal Personal Health Sampleshealth · safety25May 17, 2001—Jul 21, 2021mine-keyed
Noise Sampleshealth · safety · equipment—No published rowsabsent / not applicable
Quartz Samples — Coalhealth · safety—No published rowsabsent / not applicable
Violationscompliance · safety · legal383Feb 8, 2000—Jul 14, 2026mine-keyed
107(a) Orders Issuedsafety · compliance—No published rowsabsent / not applicable
NOTES
Limitations
- Contractor production is entity-level and is never represented as mine-attributable.
- Missing rows can mean no event, publication delay, identity mismatch, or inapplicability.