# Relationship history for MSHA mine 4605208

Current hierarchy: **Facemire Lanty D → Mountaineer Fuels Inc → Eagle 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Klaproth Abner H → Eagle Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Big Fork Coal Company Inc → Eagle Mine; 1976-07-02 to 1982-02-17; source msha-controller-operator-history
- **controller_controls_operator:** Klaproth Abner H → Big Fork Coal Company Inc; 1976-07-02 to 1982-02-17; source msha-controller-operator-history
- **operator_operates_mine:** Burnt Knob Coal Company Inc → Eagle Mine; 1982-02-18 to 1988-04-04; source msha-controller-operator-history
- **controller_controls_mine:** Kramer Ralph J & James Elliott → Eagle Mine; 1982-02-18 to 1988-04-04; source msha-controller-operator-history
- **controller_controls_operator:** Kramer Ralph J & James Elliott → Burnt Knob Coal Company Inc; 1982-02-18 to 1988-04-04; source msha-controller-operator-history
- **controller_controls_mine:** Short Denver Jr → Eagle Mine; 1985-02-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Big Fork Coal Company Inc → Eagle Mine; 1988-04-05 to 1990-01-24; source msha-controller-operator-history
- **controller_controls_operator:** Klaproth Abner H → Big Fork Coal Company Inc; 1988-04-05 to 1990-01-24; source msha-controller-operator-history
- **operator_operates_mine:** D Short Coal Company Inc → Eagle Mine; 1990-01-25 to 1990-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Short Denver Jr → D Short Coal Company Inc; 1990-01-25 to 1990-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Mountaineer Fuels Inc → Eagle Mine; 1990-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Facemire Lanty D → Eagle Mine; 1990-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Facemire Lanty D → Mountaineer Fuels Inc; 1990-10-01 to current/open; source msha-controller-operator-history