# Relationship history for MSHA mine 4605741

Current hierarchy: **Cleveland-Cliffs Inc → Extra Energy, Inc. → Low Gap Surface 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

- **operator_operates_mine:** Freeman Branch Mining → Low Gap Surface Mine; 1978-03-01 to 1995-11-01; source msha-controller-operator-history
- **controller_controls_mine:** John C  Geupel → Low Gap Surface Mine; 1978-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John C  Geupel → Freeman Branch Mining; 1978-03-01 to 1995-11-01; source msha-controller-operator-history
- **controller_controls_mine:** Delmer S  Vencill → Low Gap Surface Mine; 1987-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Steven W  Haynes et al → Low Gap Surface Mine; 1989-11-01 to 2008-09-15; source msha-controller-operator-history
- **operator_operates_mine:** Vencill Corp → Low Gap Surface Mine; 1995-11-02 to 1997-11-04; source msha-controller-operator-history
- **controller_controls_operator:** Delmer S  Vencill → Vencill Corp; 1995-11-02 to 1997-11-04; source msha-controller-operator-history
- **operator_operates_mine:** Premium Processing Incorporated → Low Gap Surface Mine; 1997-11-05 to 2004-06-10; source msha-controller-operator-history
- **controller_controls_mine:** Horizon Natural Resources Incorporated → Low Gap Surface Mine; 1997-11-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Horizon Natural Resources Incorporated → Premium Processing Incorporated; 1997-11-05 to 2004-06-10; source msha-controller-operator-history
- **operator_operates_mine:** Extra Energy, Inc. → Low Gap Surface Mine; 2004-06-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steven W  Haynes et al → Extra Energy, Inc.; 2004-06-11 to 2008-09-15; source msha-controller-operator-history
- **controller_controls_mine:** ArcelorMittal → Low Gap Surface Mine; 2008-09-16 to 2020-12-08; source msha-controller-operator-history
- **controller_controls_operator:** ArcelorMittal → Extra Energy, Inc.; 2008-09-16 to 2020-12-08; source msha-controller-operator-history
- **controller_controls_mine:** Cleveland-Cliffs Inc → Low Gap Surface Mine; 2020-12-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cleveland-Cliffs Inc → Extra Energy, Inc.; 2020-12-09 to current/open; source msha-controller-operator-history