MINE DETAILS
NORTH EAGLE MINE
MSHA MINE ID4608759
LOCATION
Mine location
1 of 1 mine with usable MSHA coordinates. Select a marker to open a mine.
Mine coordinates
- NORTH EAGLE MINE38.15417, -81.55972Open map ↗
Quarterly trends
2025 Q1 – 2026 Q4
Database snapshot · 2026-10-13. MSHA quarterly production and employment reports.
Coal production
1,095,906reported short tons
Hours worked
433,668reported employee hours
Tons per hour
2.53production ÷ 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 | 207,673 | 79,496 | 2.61 | 123 | 1/1 mines reporting |
| 2025 Q2 | 215,564 | 73,469 | 2.93 | 122 | 1/1 mines reporting |
| 2025 Q3 | 178,411 | 68,812 | 2.59 | 126 | 1/1 mines reporting |
| 2025 Q4 | 145,727 | 63,820 | 2.28 | 129 | 1/1 mines reporting |
| 2026 Q1 | 164,281 | 73,843 | 2.22 | 128 | 1/1 mines reporting |
| 2026 Q2 | 184,250 | 74,228 | 2.48 | 130 | 1/1 mines reporting |
| 2026 Q3 | — | — | — | — | No report |
| 2026 Q4 | — | — | — | — | No report |
Safety and enforcement
2025-01-01 – 2026-10-13
Violations
23131 significant & substantial (S&S)
Accident records
170 records classified as fatality
Proposed penalties · USD
159,397.00215 of 231 violations with amounts
On-site inspection hours
2,955.0033 inspections · 33 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 | 38 | 4 | 28,518.00 | 2 | 0 | 1 | 306.8 |
| 2025-Q2 | 51 | 5 | 38,825.00 | 2 | 0 | 3 | 436.5 |
| 2025-Q3 | 40 | 12 | 46,351.00 | 2 | 0 | 9 | 462.0 |
| 2025-Q4 | 14 | 2 | 9,111.00 | 2 | 0 | 6 | 435.5 |
| 2026-Q1 | 10 | 2 | 9,397.00 | 2 | 0 | 8 | 404.5 |
| 2026-Q2 | 37 | 3 | 14,796.00 | 1 | 0 | 1 | 427.5 |
| 2026-Q3 | 39 | 3 | 12,399.00 | 6 | 0 | 4 | 482.3 |
| 2026-Q4 * | 2 | 0 | — | 0 | 0 | 1 | 0.0 |
Most cited CFR sections
All violations issued in the selected period. Counts combine subsections.
Safety activity
77.207
75.211(d)
Regular Safety and Health Inspection · 0.0 on-site hours
75.370(a)(1)
75.370(a)(1)
HANDLING OF MATERIALS · NO DYS AWY FRM WRK,NO RSTR ACT
Accident narrative
While throwing a timber under the continuous miner's stab jack, employee crushed left ring finger between the timber they were throwing and the miner's frame. EE was diagnosed with an avulsion and received 3 internal and 12 external sutures. They returned to full duty without restrictions on the next regularly scheduled shift, 9/28/2026, performing normal work duties. No days lost.
FALL OF ROOF OR BACK · NO DYS AWY FRM WRK,NO RSTR ACT
Accident narrative
Employee was backing the continuous miner out of 2 Left when a rock, approx. 72 in. long, 28 in. wide, and 7-9 in. thick, fell from the #2 Heading and struck EE's right ear. Employee was treated at Boone Memorial Hospital, where 15 sutures were required to close the wound. Employee returned to work on 09/24/2026 performing EE's normal work duties. No Days Lost
75.1107-4(c)
77.1606(c)
75.333(c)(3)
75.1103-5(a)
77.208(d)
75.333(d)(3)
FALL OF ROOF OR BACK · ACCIDENT ONLY
Accident narrative
An unintentional roof fall was discovered on 10 North Mains, Primary Escapeway (Intake) #4 Entry, #4 Break, spad # 10693. Crew was pulled outby affected area, area is being dangered off, and the lifeline is being re-routed. MSHA and WVMHST Officials have been notified. No injuries or entrapments have occurred.
75.380(d)(7)(i)
FALL OF ROOF OR BACK · ACCIDENT ONLY
Accident narrative
An unintentional roof fall was discovered on 9 North Mains in the Primary Escapeway (Intake), #3 and #4 Entries, from Brk #37 to Brk #38. The fall is approximately 20 ft. thick. All affected personnel were removed outby the fall, except those required to perform support work. No injuries or entrapments occurred. MSHA and WVMHST Officials were notified and are currently on-site.
Non-Injury Accident Investigation · 12.0 on-site hours
Description not reported
75.370(a)(1)
75.1731(a)
75.400
75.1722(b) · S&S · $2,712.00 proposed
75.370(a)(1) · $465.00 proposed
75.1731(a) · $165.00 proposed
75.1731(a) · $165.00 proposed
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.
EIA-923 · COAL RECEIPTS
Coal shipments and quality
Receipts reported by power plants and terminals, matched by MSHA mine ID.
No receipts matched this mine in the selected period. EIA-923 does not cover all mine sales, exports or metallurgical coal shipments.
Delivered cost includes transport and is not mine revenue. Missing prices remain blank. * Fewer than three months are published in the selected quarter. Receipts reflect the months EIA has published; an unfinished quarter is not comparable with a full quarter. Portfolio matches use current ownership.
Coverage, sources and calculations
- Reported coal receipts at EIA-923 power plants/terminals; this is not a census of mine shipments, exports or metallurgical sales.
- Matches use only the published MSHA ID, normalized to seven digits. Unidentified mine origins remain in the source table but are not assigned to a mine.
- Portfolio attribution uses current MSHA ownership, not ownership at the shipment date. Receipts and production can differ because of timing, stocks and coverage.
- Quality means are weighted by positive reported tons with that measurement. Delivered cost uses only rows with published cost, positive heat and positive tons; missing/withheld costs are never zero-filled.
- USD/ton = (cents/MMBtu ÷ 100) × MMBtu/ton. This is plant delivered cost, not mine sales price or revenue.
- Receipt month is as published, including records supplied by annual respondents. Recent months are preliminary and subject to revision. Missing rows do not prove zero shipments.
Imported releases start 2008-01. This window includes 12 published months. EIA releases · Survey instructions
- 2026 · preliminary · EIA923_Schedules_2_3_4_5_M_07_2026_21SEP2026.xlsx · Page 5 Fuel Receipts and Costs
- 2025 · final · EIA923_Schedules_2_3_4_5_M_12_2025_Final.xlsx · Page 5 Fuel Receipts and Costs
EIA ANNUAL COAL REPORT · 2024
Coal prices and estimated revenue
Annual county prices and a production-based allocation of county coal sales.
The estimate assumes each eligible mine receives its county-average price and shares county sales in proportion to production. Actual sales and prices can differ substantially. All producing annual records in this selection have estimates. Annual price data uses a separate window from the MSHA charts.
| Mine / county | Annual production · tons | County FOB · USD/ton | Est. sales · tons | Est. coal revenue · USD | Basis / availability |
|---|---|---|---|---|---|
| North Eagle Mine4608759 · Boone, West Virginia | 772,997 | 101.17 | 834,209 | 84,396,942 | County allocation estimate26.82% of eligible county production9 eligible mines / 9 sales respondents |
Method, assumptions and source records
- This is an annual county-sales allocation, not reported mine or company revenue. Currency is nominal USD in the source year; quantities are short tons.
- Mine share = same-year annual mine production / eligible same-county production. Estimated sales = published county sales × share. Estimated coal revenue = estimated sales × published county average FOB price.
- The model assumes eligible mines share county sales in proportion to production and receive the county-average price. Matching mine counts is a check, not proof of identical respondents. Mine quality, contracts and sales timing can differ substantially. No statistical confidence interval is implied.
- FOB excludes transport and insurance. EIA-923 delivered costs do not enter this model. No grade premium, state/national fallback, quarterly apportionment or carry-forward to a later year is applied.
- Eligibility follows the source's production threshold and excludes preparation-only and refuse operations. Withheld values, inconsistent county counts and missing/ambiguous locations produce no estimate.
- County sales are published in thousands of tons and prices to cents. Calculations retain precision, but the inputs are rounded and the allocation is approximate.
- Portfolio attribution uses current MSHA ownership, not ownership during the sales year. Covered-mine sums exclude unavailable estimates and must not be read as whole-company revenue. Coverage denominators use the annual EIA mine-production release.
Sales-reporting threshold: 50,000 short tons per mine in 2024. Withheld sales or prices stay unavailable.
EIA Table 30 · county sales and FOB prices · EIA annual mine production · Release index
Annual report released November 19, 2025. Method: county-sales-allocation-v1. JSON and CSV preserve source row numbers and file checksums.
OWNERSHIP
Operator and controller history
Current ownership comes from MSHA Mines. Historical start and end dates come from MSHA Controller and Operator History.
—
Sev.en Global Investments a.s.controlsKanawha Eagle Mining, LLCoperatesNORTH EAGLE MINE
msha-controller-operator-history · controller/operator co-tenure derived on mine 4608759—
Blackhawk Mining LLCcontrolsKanawha Eagle Mining, LLCoperatesNORTH EAGLE MINE
msha-controller-operator-history · controller/operator co-tenure derived on mine 4608759—
Patriot Coal CorporationcontrolsEmerald Processing, LLC.operatesNORTH EAGLE MINE
msha-controller-operator-history · controller/operator co-tenure derived on mine 4608759—
Robert E ElliscontrolsEmerald Processing, LLC.operatesNORTH EAGLE MINE
msha-controller-operator-history · controller/operator co-tenure derived on mine 4608759—
Franklin D Robertson et alcontrolsEmerald Processing, LLC.operatesNORTH EAGLE MINE
msha-controller-operator-history · controller/operator co-tenure derived on mine 4608759—
James O Bunn et alcontrolsEmerald Processing, LLC.operatesNORTH EAGLE MINE
msha-controller-operator-history · controller/operator co-tenure derived on mine 4608759—
Patriot Coal CorporationcontrolsNewtown Energy IncoperatesNORTH EAGLE MINE
msha-controller-operator-history · controller/operator co-tenure derived on mine 4608759—
Robert E ElliscontrolsNewtown Energy IncoperatesNORTH EAGLE MINE
msha-controller-operator-history · controller/operator co-tenure derived on mine 4608759—
James O Bunn et alcontrolsNewtown Energy IncoperatesNORTH EAGLE MINE
msha-controller-operator-history · controller/operator co-tenure derived on mine 4608759—
Franklin D Robertson et alcontrolsNewtown Energy IncoperatesNORTH EAGLE MINE
msha-controller-operator-history · controller/operator co-tenure derived on mine 4608759—
Rex FoughtcontrolsWayne Processing IncoperatesNORTH EAGLE MINE
msha-controller-operator-history · controller/operator co-tenure derived on mine 4608759Other 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
567 historical accident/injury rows; 1 coded fatalities and 18,637 lost days across the published record.
ACCIDENT + INJURY RECORD52 since 2021
accidentsmine-production-quarterly02 / COMPLIANCEwatch
Violations and penalties
5,503 violation rows across the full record; 1,930 carry an S&S flag and $4,910,318 appears in current assessed amounts.
ENFORCEMENT ACTIVITY1,007 since 2021
inspectionsviolationsassessed-violationsorders-107a03 / HEALTHwatch
Occupational health samples
18,064 coal dust; 778 coal quartz; 498 noise. 0 personal-sample rows have a published C/E ratio above 1; 127 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 EXPOSURE19K samples
coal-dust-samplesquartz-samplesnoise-samples04 / PRODUCTIONcontext
Quarterly production and employment
74K employee hours and 130 summed average employees across reported subunits in the latest published quarter.
2026-Q2184K tons
mine-production-quarterlymine-production-yearly05 / LEGALwatch
Contests, conferences and decisions
2,571 contested-violation rows, 2,558 civil-penalty docket/decision rows, and 161 conference records linked by issuance number.
POST-ISSUANCE LIFECYCLE5,290 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 CONTEXT24 linked entities
contractor-production-quarterlycontractor-production-yearlyaccidentsviolations07 / INSPECTIONScontext
Inspections
1,317 inspection events and 65K published inspection hours across the historical record.
OVERSIGHT COVERAGE173 since 2021
inspectionsviolationsHEALTH SAMPLING
Silica and quartz
Coal quartz, metal/nonmetal personal samples and area samples. Snapshot Oct 13, 2026. 778 silica records across the mine’s published history.
Coal quartz concentration
Quarterly mean · µg/m³ · not-voided samples
— 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 |
|---|---|---|---|---|---|
| 58572296 / lab 2026033297 | Coal quartzQuartz | CONTINUOUS MINER OPERATORDESIGNATED OCCUPATION | 0 µg/m³—% quartz | Not voided | Not reported |
| 58572799 / lab 2026033308 | Coal quartzQuartz | CONTINUOUS MINER OPERATORDESIGNATED OCCUPATION | 13 µg/m³4.5% quartz | Not voided | Not reported |
| 58572483 / lab 2026033298 | Coal quartzQuartz | ROOF BOLTER (TWIN HEAD) (RETURN SIDE)NON DESIGNATED OCCUPATION | 8 µg/m³3.8% quartz | Not voided | Not reported |
| 58572798 / lab 2026033303 | Coal quartzQuartz | SHUTTLE CAR OPERATOR (STANDARD SIDE)NON DESIGNATED OCCUPATION | 4 µg/m³0.9% quartz | Not voided | Not reported |
| 58572823 / lab 2026033304 | Coal quartzQuartz | ROOF BOLTER (TWIN HEAD) (RETURN SIDE)NON DESIGNATED OCCUPATION | 0 µg/m³—% quartz | Not voided | Not reported |
| 58568984 / lab 2026031572 | Coal quartzQuartz | ROOF BOLTER (TWIN HEAD) (RETURN SIDE)NON DESIGNATED OCCUPATION | 23 µg/m³3.7% quartz | Not voided | Not reported |
| 58569059 / lab 2026031562 | Coal quartzQuartz | ROOF BOLTER (TWIN HEAD) (RETURN SIDE)NON DESIGNATED OCCUPATION | 13 µg/m³3.3% quartz | Not voided | Not reported |
| 58569060 / lab 2026031560 | Coal quartzQuartz | SHUTTLE CAR OPERATOR (OFF STANDARD)NON DESIGNATED OCCUPATION | 2 µg/m³0.7% quartz | Not voided | Not reported |
| 58568707 / lab 2026031568 | Coal quartzQuartz | SHUTTLE CAR OPERATOR (STANDARD SIDE)NON DESIGNATED OCCUPATION | 2 µg/m³1.1% quartz | Not voided | Not reported |
| 58568708 / lab 2026031570 | Coal quartzQuartz | CONTINUOUS MINER OPERATORDESIGNATED OCCUPATION | 13 µg/m³2.3% quartz | Not voided | Not reported |
| 58569076 / lab 2026031561 | Coal quartzQuartz | CONTINUOUS MINER OPERATORDESIGNATED OCCUPATION | 7 µg/m³1.4% quartz | Not voided | Not reported |
| 58568229 / lab 2026020149 | Coal quartzQuartz | OCCUPATION CODE NOT FOUNDDESIGNATED AREA | 1 µg/m³1% quartz | Not voided | Not reported |
| 58568074 / lab 2026020146 | Coal quartzQuartz | OCCUPATION CODE NOT FOUNDDESIGNATED AREA | 5 µg/m³3.2% quartz | Not voided | Not reported |
| 58569001 / lab 2026018468 | Coal quartzQuartz | ROOF BOLTER (TWIN HEAD) (RETURN SIDE)NON DESIGNATED OCCUPATION | 24 µg/m³6.6% quartz | Not voided | Not reported |
| 58568990 / lab 2026017011 | Coal quartzQuartz | SHUTTLE CAR OPERATOR (OFF STANDARD)NON DESIGNATED OCCUPATION | 2 µg/m³1.6% quartz | Not voided | Not reported |
| 58569043 / lab 2026017017 | Coal quartzQuartz | SCOOP CAR OPERATORNON DESIGNATED OCCUPATION | 4 µg/m³2.1% quartz | Not voided | Not reported |
| 58569030 / lab 2026017010 | Coal quartzQuartz | CONTINUOUS MINER OPERATORDESIGNATED OCCUPATION | 4 µg/m³2.4% quartz | Not voided | Not reported |
| 58569195 / lab 2026017018 | Coal quartzQuartz | CONTINUOUS MINER OPERATORDESIGNATED OCCUPATION | 9 µg/m³3.9% quartz | Not voided | Not reported |
| 58569007 / lab 2026017015 | Coal quartzQuartz | SHUTTLE CAR OPERATOR (STANDARD SIDE)NON DESIGNATED OCCUPATION | 4 µg/m³2.5% quartz | Not voided | Not reported |
| 58568994 / lab 2026017013 | Coal quartzQuartz | ROOF BOLTER (TWIN HEAD) (RETURN SIDE)NON DESIGNATED OCCUPATION | 19 µg/m³5.7% quartz | Not voided | Not reported |
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.
ANNUAL COAL PRODUCTION772,997short tons
- LABOR HOURS
- 327,311
- AVG EMPLOYEES
- 136
- SUPPLY REGION
- Appalachia Central
- UNION
- No union code published
- OPERATION
- Mine only
- COMPANY TYPE
- Operating Subsidiary
1 published EIA row aggregated under this MSHA ID. Components remain available in JSON.
30 CFR 77.207Illumination.1 recent row ↗30 CFR 75.211Roof testing and scaling.1 recent row ↗30 CFR 75.370Mine ventilation plan; submission and approval.2 recent rows ↗30 CFR 75.1107-4Automatic fire sensors and manual actuators; installation; minimum requirements.1 recent row ↗30 CFR 77.1606Loading and haulage equipment; inspection and maintenance.1 recent row ↗30 CFR 75.333Ventilation controls.2 recent rows ↗30 CFR 75.1103-5Automatic fire warning devices; actions and response.1 recent row ↗30 CFR 77.208Storage of materials.1 recent row ↗
RECENT PUBLIC RECORDS
Recent violations and samples
Latest records retained for inspection; aggregates above use the full source history.
518392577.207Citation
502873875.211(d)Citation
502813775.370(a)(1)Citation
502813675.370(a)(1)Citation
502813475.1107-4(c)Citation
502813077.1606(c)Citation
502812975.333(c)(3)Citation
502126275.1103-5(a)Citation
Coal dust, noise and other contaminants. Silica records above ↑
Coal dustCONTINUOUS MINER OPERATOR
.782 mg/m³Not voided
Coal dustCONTINUOUS MINER OPERATOR
.479 mg/m³Not voided
Coal dustCONTINUOUS MINER OPERATOR
.058 mg/m³Voided
Coal dustCONTINUOUS MINER OPERATOR
.343 mg/m³Not voided
Coal dustCONTINUOUS MINER OPERATOR
.382 mg/m³Voided · INVALID PRODUCTION
Coal dustCONTINUOUS MINER OPERATOR
1.866 mg/m³Voided
Coal dustCONTINUOUS MINER OPERATOR
.177 mg/m³Not voided
Coal dustCONTINUOUS MINER OPERATOR
.379 mg/m³Not voided
SOURCE COVERAGE
Reporting dates and coverage
17 datasets contain linked records. Missing datasets are listed below.
DATASETROWSWINDOWSTATUS
Accident, Injuries, and Illnessessafety · contractors567Jul 5, 2000—Sep 25, 2026mine-keyed
Addresses of Recordidentity · logistics1Jul 18, 2013—Jul 18, 2013mine-keyed
Assessed Violationscompliance · legal5,410Mar 8, 2000—Aug 11, 2026mine-keyed
Civil Penalty Dockets and Decisionscompliance · legal2,558Jan 26, 2006—Mar 9, 2026mine-keyed
Coal Dust Sampleshealth · safety18,064Aug 7, 2000—Oct 8, 2026mine-keyed
Conferencescompliance · legal161Jun 20, 2002—Sep 22, 2026mine-keyed
Contested Violationscompliance · legal2,571Aug 29, 2005—Oct 10, 2025mine-keyed
Contractor Employment and Production — Quarterlycontractors · production · safety3,652Not published—Not publishedentity-linked
Contractor Employment and Production — Yearlycontractors · production · safety749Not published—Not publishedentity-linked
Controller and Operator Historyidentity · compliance11Feb 1, 1999—Oct 26, 2015mine-keyed
Mine Employment and Production — Quarterlyproduction · safety · compliance294Not published—Not publishedmine-keyed
Mine Employment and Production — Yearlyproduction · safety · compliance73Not published—Not publishedmine-keyed
Inspectionssafety · compliance1,317Jan 3, 2000—Oct 1, 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 · safety—No published rowsabsent / not applicable
Noise Sampleshealth · safety · equipment498Aug 9, 2000—Nov 21, 2025mine-keyed
Quartz Samples — Coalhealth · safety778Jan 10, 2001—Aug 12, 2026mine-keyed
Violationscompliance · safety · legal5,503Mar 8, 2000—Oct 6, 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.