# Relationship history for MSHA mine 4405212

Current hierarchy: **Paris  Meadows → Meadows Coal Company → Mine No 4a**

- 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:** Paris  Meadows et al → Mine No 4a; 1975-02-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Laramie Corp → Mine No 4a; 1979-04-01 to 1980-03-25; source msha-controller-operator-history
- **controller_controls_mine:** Bandy Don → Mine No 4a; 1979-04-01 to 1983-09-11; source msha-controller-operator-history
- **controller_controls_operator:** Bandy Don → Laramie Corp; 1979-04-01 to 1980-03-25; source msha-controller-operator-history
- **controller_controls_mine:** Mullins Jack → Mine No 4a; 1979-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Long Fork Coal Company Inc → Mine No 4a; 1980-03-26 to 1980-07-08; source msha-controller-operator-history
- **controller_controls_operator:** Mullins Jack → Long Fork Coal Company Inc; 1980-03-26 to 1980-07-08; source msha-controller-operator-history
- **operator_operates_mine:** Blue Flame Coal Sales Corp → Mine No 4a; 1980-07-09 to 1981-02-10; source msha-controller-operator-history
- **controller_controls_mine:** Rife Lincoln → Mine No 4a; 1980-07-09 to 1981-02-10; source msha-controller-operator-history
- **controller_controls_operator:** Rife Lincoln → Blue Flame Coal Sales Corp; 1980-07-09 to 1981-02-10; source msha-controller-operator-history
- **operator_operates_mine:** Meadows Coal Company → Mine No 4a; 1981-02-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paris  Meadows et al → Meadows Coal Company; 1981-02-11 to current/open; source msha-controller-operator-history
