# Relationship history for MSHA mine 4405889

Current hierarchy: **Nichols Cecil & Gary Keen → Double O Coal Mining Corp → 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:** Lester Ira → No 1; 1977-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** L & L Coal Company Inc → No 1; 1982-05-01 to 1982-07-13; source msha-controller-operator-history
- **controller_controls_operator:** Lester Ira → L & L Coal Company Inc; 1982-05-01 to 1982-07-13; source msha-controller-operator-history
- **operator_operates_mine:** Prater Creek Coal Company → No 1; 1982-07-14 to 1983-10-24; source msha-controller-operator-history
- **controller_controls_mine:** Lester Rayburn → No 1; 1982-07-14 to 1983-10-24; source msha-controller-operator-history
- **controller_controls_operator:** Lester Rayburn → Prater Creek Coal Company; 1982-07-14 to 1983-10-24; source msha-controller-operator-history
- **controller_controls_mine:** Mack  Lester → No 1; 1983-06-01 to 1988-07-05; source msha-controller-operator-history
- **operator_operates_mine:** Splashdam Mining Inc → No 1; 1983-10-25 to 1984-02-08; source msha-controller-operator-history
- **controller_controls_mine:** Roulett J B → No 1; 1983-10-25 to 1987-11-24; source msha-controller-operator-history
- **controller_controls_operator:** Roulett J B → Splashdam Mining Inc; 1983-10-25 to 1984-02-08; source msha-controller-operator-history
- **operator_operates_mine:** Krest Coal Company Inc → No 1; 1984-02-09 to 1986-05-07; source msha-controller-operator-history
- **controller_controls_mine:** James C  Ball → No 1; 1984-02-09 to 1986-05-07; source msha-controller-operator-history
- **controller_controls_operator:** James C  Ball → Krest Coal Company Inc; 1984-02-09 to 1986-05-07; source msha-controller-operator-history
- **controller_controls_mine:** Jack  Slone et al → No 1; 1986-04-01 to 1988-09-27; source msha-controller-operator-history
- **operator_operates_mine:** Heather-Krest Coal Company Inc → No 1; 1986-05-08 to 1986-09-15; source msha-controller-operator-history
- **controller_controls_mine:** Hurley William R → No 1; 1986-05-08 to 1986-09-15; source msha-controller-operator-history
- **controller_controls_operator:** Hurley William R → Heather-Krest Coal Company Inc; 1986-05-08 to 1986-09-15; source msha-controller-operator-history
- **operator_operates_mine:** Lescox Coal Company Inc → No 1; 1986-09-16 to 1987-05-04; source msha-controller-operator-history
- **controller_controls_operator:** Mack  Lester → Lescox Coal Company Inc; 1986-09-16 to 1987-05-04; source msha-controller-operator-history
- **operator_operates_mine:** Wahtahshi Land & Coal Company Inc → No 1; 1987-05-05 to 1987-12-23; source msha-controller-operator-history
- **controller_controls_operator:** Jack  Slone et al → Wahtahshi Land & Coal Company Inc; 1987-05-05 to 1987-12-23; source msha-controller-operator-history
- **operator_operates_mine:** Double O Coal Mining Corp → No 1; 1987-12-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nichols Cecil & Gary Keen → No 1; 1987-12-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nichols Cecil & Gary Keen → Double O Coal Mining Corp; 1987-12-24 to current/open; source msha-controller-operator-history