# Relationship history for MSHA mine 4404182

Current hierarchy: **Mullins James E → Mullins Enterprises → Holton Plant**

- 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:** Cumberland Collieries Inc → Holton Plant; 1975-09-29 to 1976-09-20; source msha-controller-operator-history
- **controller_controls_mine:** B Ray  Thompson → Holton Plant; 1975-09-29 to 1979-10-31; source msha-controller-operator-history
- **controller_controls_operator:** B Ray  Thompson → Cumberland Collieries Inc; 1975-09-29 to 1976-09-20; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Mining Corp → Holton Plant; 1976-09-21 to 1977-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Barber Oil Corp → Holton Plant; 1976-09-21 to 1981-04-29; source msha-controller-operator-history
- **controller_controls_operator:** Barber Oil Corp → Paramont Mining Corp; 1976-09-21 to 1977-01-31; source msha-controller-operator-history
- **operator_operates_mine:** Mullins Enterprises → Holton Plant; 1977-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mullins James E → Holton Plant; 1977-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mullins James E → Mullins Enterprises; 1977-02-01 to current/open; source msha-controller-operator-history