# Relationship history for MSHA mine 1512081

Current hierarchy: **Swiney Randy E & George Emitt → G & R Coal Company Inc → No E-1 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

- **controller_controls_mine:** James W  Potter et al → No E-1 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Potter Mining Company Inc → No E-1 Mine; 1979-10-01 to 1981-03-31; source msha-controller-operator-history
- **controller_controls_operator:** James W  Potter et al → Potter Mining Company Inc; 1979-10-01 to 1981-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Mann Franklin & Haskell Addington → No E-1 Mine; 1980-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hamilton Thelma G & Kerry → No E-1 Mine; 1980-04-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Profit Fuels Inc → No E-1 Mine; 1981-04-01 to 1982-03-21; source msha-controller-operator-history
- **controller_controls_mine:** Profitt Preston → No E-1 Mine; 1981-04-01 to 1982-03-21; source msha-controller-operator-history
- **controller_controls_operator:** Profitt Preston → Profit Fuels Inc; 1981-04-01 to 1982-03-21; source msha-controller-operator-history
- **controller_controls_mine:** Lester Robert E-Hubert J & Jack D → No E-1 Mine; 1981-09-08 to 1983-02-27; source msha-controller-operator-history
- **operator_operates_mine:** Lester Brothers Coal Company → No E-1 Mine; 1982-03-22 to 1983-02-27; source msha-controller-operator-history
- **controller_controls_operator:** Lester Robert E-Hubert J & Jack D → Lester Brothers Coal Company; 1982-03-22 to 1983-02-27; source msha-controller-operator-history
- **operator_operates_mine:** Kerry Coal Company Inc → No E-1 Mine; 1983-02-28 to 1985-01-06; source msha-controller-operator-history
- **controller_controls_operator:** Hamilton Thelma G & Kerry → Kerry Coal Company Inc; 1983-02-28 to 1985-01-06; source msha-controller-operator-history
- **operator_operates_mine:** B J D Coal Company Inc → No E-1 Mine; 1985-01-07 to 1985-08-12; source msha-controller-operator-history
- **controller_controls_mine:** James L  Griffith et al → No E-1 Mine; 1985-01-07 to 1985-08-12; source msha-controller-operator-history
- **controller_controls_operator:** James L  Griffith et al → B J D Coal Company Inc; 1985-01-07 to 1985-08-12; source msha-controller-operator-history
- **operator_operates_mine:** Mann & Addington Coal Company → No E-1 Mine; 1985-08-13 to 1986-06-18; source msha-controller-operator-history
- **controller_controls_operator:** Mann Franklin & Haskell Addington → Mann & Addington Coal Company; 1985-08-13 to 1986-06-18; source msha-controller-operator-history
- **operator_operates_mine:** G & R Coal Company Inc → No E-1 Mine; 1986-06-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Swiney Randy E & George Emitt → No E-1 Mine; 1986-06-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Swiney Randy E & George Emitt → G & R Coal Company Inc; 1986-06-19 to current/open; source msha-controller-operator-history