# Relationship history for MSHA mine 4404243

Current hierarchy: **Dye James Harry → Teresa Coal Company Inc → Mine 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

- **operator_operates_mine:** Big A Mining Inc → Mine No 1; 1975-12-01 to 1977-11-09; source msha-controller-operator-history
- **controller_controls_mine:** Barnes James → Mine No 1; 1975-12-01 to 1977-11-09; source msha-controller-operator-history
- **controller_controls_operator:** Barnes James → Big A Mining Inc; 1975-12-01 to 1977-11-09; source msha-controller-operator-history
- **operator_operates_mine:** Marian Brothers Coal Company Inc → Mine No 1; 1977-11-10 to 1979-01-23; source msha-controller-operator-history
- **controller_controls_mine:** Marian Steve → Mine No 1; 1977-11-10 to 1979-01-23; source msha-controller-operator-history
- **controller_controls_operator:** Marian Steve → Marian Brothers Coal Company Inc; 1977-11-10 to 1979-01-23; source msha-controller-operator-history
- **operator_operates_mine:** Triple J Coal Company Inc → Mine No 1; 1979-01-24 to 1982-05-09; source msha-controller-operator-history
- **controller_controls_mine:** Jones John L → Mine No 1; 1979-01-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jones John L → Triple J Coal Company Inc; 1979-01-24 to 1982-05-09; source msha-controller-operator-history
- **controller_controls_mine:** Harman Robert & Gilbert → Mine No 1; 1979-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gordon Ronnie Et Al → Mine No 1; 1981-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jon Ron Inc → Mine No 1; 1982-05-10 to 1982-11-28; source msha-controller-operator-history
- **controller_controls_operator:** Gordon Ronnie Et Al → Jon Ron Inc; 1982-05-10 to 1982-11-28; source msha-controller-operator-history
- **operator_operates_mine:** B J D Coal Company → Mine No 1; 1982-11-29 to 1984-10-15; source msha-controller-operator-history
- **controller_controls_mine:** Deskins Billy Joe → Mine No 1; 1982-11-29 to 1984-10-15; source msha-controller-operator-history
- **controller_controls_operator:** Deskins Billy Joe → B J D Coal Company; 1982-11-29 to 1984-10-15; source msha-controller-operator-history
- **controller_controls_mine:** Cecil  Nichols → Mine No 1; 1984-04-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Harman Brothers Coal Company Inc → Mine No 1; 1984-10-16 to 1985-11-04; source msha-controller-operator-history
- **controller_controls_operator:** Harman Robert & Gilbert → Harman Brothers Coal Company Inc; 1984-10-16 to 1985-11-04; source msha-controller-operator-history
- **operator_operates_mine:** Eastern Edge Mining Inc → Mine No 1; 1985-11-05 to 1990-03-05; source msha-controller-operator-history
- **controller_controls_mine:** Farmer Charles T → Mine No 1; 1985-11-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Farmer Charles T → Eastern Edge Mining Inc; 1985-11-05 to 1990-03-05; source msha-controller-operator-history
- **operator_operates_mine:** Barton Fork Mining Inc → Mine No 1; 1990-03-06 to 1990-09-20; source msha-controller-operator-history
- **controller_controls_mine:** Harman William J → Mine No 1; 1990-03-06 to 1990-09-20; source msha-controller-operator-history
- **controller_controls_operator:** Harman William J → Barton Fork Mining Inc; 1990-03-06 to 1990-09-20; source msha-controller-operator-history
- **operator_operates_mine:** Worm Coal Company Corp → Mine No 1; 1990-09-21 to 1991-04-08; source msha-controller-operator-history
- **controller_controls_operator:** Cecil  Nichols → Worm Coal Company Corp; 1990-09-21 to 1991-04-08; source msha-controller-operator-history
- **operator_operates_mine:** Teresa Coal Company Inc → Mine No 1; 1991-04-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dye James Harry → Mine No 1; 1991-04-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dye James Harry → Teresa Coal Company Inc; 1991-04-09 to current/open; source msha-controller-operator-history