# Relationship history for MSHA mine 4405529

Current hierarchy: **Perkins Lincous F → Freda Coal Inc → No 1**

- 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:** Davis James-James Mc Vey Et Al → No 1; 1976-06-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** S M A Coal Company Inc → No 1; 1980-09-01 to 1982-07-14; source msha-controller-operator-history
- **controller_controls_operator:** Davis James-James Mc Vey Et Al → S M A Coal Company Inc; 1980-09-01 to 1982-07-14; source msha-controller-operator-history
- **operator_operates_mine:** Northern Mineral Inc → No 1; 1982-07-15 to 1983-09-05; source msha-controller-operator-history
- **controller_controls_mine:** Roger Raymond  Baldwin → No 1; 1982-07-15 to 1991-08-04; source msha-controller-operator-history
- **controller_controls_operator:** Roger Raymond  Baldwin → Northern Mineral Inc; 1982-07-15 to 1983-09-05; source msha-controller-operator-history
- **operator_operates_mine:** L & E Coal Company → No 1; 1983-09-06 to 1984-05-20; source msha-controller-operator-history
- **controller_controls_mine:** Dales Benny C → No 1; 1983-09-06 to 1984-05-20; source msha-controller-operator-history
- **controller_controls_operator:** Dales Benny C → L & E Coal Company; 1983-09-06 to 1984-05-20; source msha-controller-operator-history
- **operator_operates_mine:** M M H Coal Inc → No 1; 1984-05-21 to 1985-02-19; source msha-controller-operator-history
- **controller_controls_mine:** Helbert Robert L → No 1; 1984-05-21 to 1985-02-19; source msha-controller-operator-history
- **controller_controls_operator:** Helbert Robert L → M M H Coal Inc; 1984-05-21 to 1985-02-19; source msha-controller-operator-history
- **operator_operates_mine:** J & J Mining Inc → No 1; 1985-02-20 to 1988-12-18; source msha-controller-operator-history
- **controller_controls_mine:** Harman James E → No 1; 1985-02-20 to 1990-03-13; source msha-controller-operator-history
- **controller_controls_operator:** Harman James E → J & J Mining Inc; 1985-02-20 to 1988-12-18; source msha-controller-operator-history
- **operator_operates_mine:** Freda Coal Inc → No 1; 1988-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Perkins Lincous F → No 1; 1988-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Perkins Lincous F → Freda Coal Inc; 1988-12-19 to current/open; source msha-controller-operator-history