# Relationship history for MSHA mine 1519533

Current hierarchy: **Keri Alyssa Findley → Cumberland Coal Corporation → Trace Fork 1 Mine**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Ashland Inc et al → Trace Fork 1 Mine; 1987-05-18 to 2005-12-11; source msha-controller-operator-history
- **controller_controls_mine:** Arch Resources Inc → Trace Fork 1 Mine; 2005-12-12 to 2017-09-13; source msha-controller-operator-history
- **controller_controls_mine:** Jeffery A  Hoops → Trace Fork 1 Mine; 2009-05-08 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cumberland River Coal LLC → Trace Fork 1 Mine; 2010-09-15 to 2017-12-11; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Cumberland River Coal LLC; 2010-09-15 to 2005-12-11; source msha-controller-operator-history
- **controller_controls_operator:** Arch Resources Inc → Cumberland River Coal LLC; 2010-09-15 to 2017-09-13; source msha-controller-operator-history
- **controller_controls_mine:** Jeffery A  Hoops → Trace Fork 1 Mine; 2017-09-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Cumberland River Coal LLC; 2017-09-14 to 2017-12-11; source msha-controller-operator-history
- **operator_operates_mine:** Blackjewel L.L.C. → Trace Fork 1 Mine; 2017-12-12 to 2021-09-07; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Blackjewel L.L.C.; 2017-12-12 to 2021-09-07; source msha-controller-operator-history
- **controller_controls_mine:** James  Chisholm et al → Trace Fork 1 Mine; 2019-10-17 to 2019-11-14; source msha-controller-operator-history
- **controller_controls_mine:** Ascentia Inc → Trace Fork 1 Mine; 2019-11-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coking Coal, LLC → Trace Fork 1 Mine; 2021-09-08 to 2025-10-01; source msha-controller-operator-history
- **controller_controls_operator:** James  Chisholm et al → Coking Coal, LLC; 2021-09-08 to 2019-11-14; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Whitfield et al → Coking Coal, LLC; 2021-09-08 to 2019-11-14; source msha-controller-operator-history
- **controller_controls_operator:** Lloyd  Hill et al → Coking Coal, LLC; 2021-09-08 to 2019-11-14; source msha-controller-operator-history
- **controller_controls_operator:** Ascentia Inc → Coking Coal, LLC; 2021-09-08 to 2025-10-01; source msha-controller-operator-history
- **controller_controls_mine:** Keri Alyssa Findley → Trace Fork 1 Mine; 2025-09-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cumberland Coal Corporation → Trace Fork 1 Mine; 2025-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Keri Alyssa Findley → Cumberland Coal Corporation; 2025-10-02 to current/open; source msha-controller-operator-history