# Relationship history for MSHA mine 4606376

Current hierarchy: **Ball Kendall & Bernie Curry → Solomon'S Mines Inc → No 31**

- 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:** Wheeling-Pittsburgh Corp → No 31; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brown Charles E → No 31; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** W-P Coal Company → No 31; 1981-08-01 to 1981-10-11; source msha-controller-operator-history
- **controller_controls_operator:** Wheeling-Pittsburgh Corp → W-P Coal Company; 1981-08-01 to 1981-10-11; source msha-controller-operator-history
- **operator_operates_mine:** Darth Coal Company Inc → No 31; 1981-10-12 to 1983-09-11; source msha-controller-operator-history
- **controller_controls_mine:** Simpson Kendall → No 31; 1981-10-12 to 1983-09-11; source msha-controller-operator-history
- **controller_controls_operator:** Simpson Kendall → Darth Coal Company Inc; 1981-10-12 to 1983-09-11; source msha-controller-operator-history
- **operator_operates_mine:** Mack Coal Company Inc → No 31; 1983-09-12 to 1987-09-14; source msha-controller-operator-history
- **controller_controls_operator:** Brown Charles E → Mack Coal Company Inc; 1983-09-12 to 1987-09-14; source msha-controller-operator-history
- **operator_operates_mine:** Rebb Energy Inc → No 31; 1987-09-15 to 1990-07-29; source msha-controller-operator-history
- **controller_controls_mine:** Robert L  Varney → No 31; 1987-09-15 to 1992-10-01; source msha-controller-operator-history
- **controller_controls_operator:** Robert L  Varney → Rebb Energy Inc; 1987-09-15 to 1990-07-29; source msha-controller-operator-history
- **operator_operates_mine:** P-F Mining Inc → No 31; 1990-07-30 to 1990-11-19; source msha-controller-operator-history
- **controller_controls_mine:** Richard T  Hatfield et al → No 31; 1990-07-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard T  Hatfield et al → P-F Mining Inc; 1990-07-30 to 1990-11-19; source msha-controller-operator-history
- **controller_controls_operator:** James E  Hatfield et al → P-F Mining Inc; 1990-07-30 to 1990-11-19; source msha-controller-operator-history
- **operator_operates_mine:** Five-O-Corp → No 31; 1990-11-20 to 1991-01-27; source msha-controller-operator-history
- **controller_controls_mine:** Owens George → No 31; 1990-11-20 to 1991-01-27; source msha-controller-operator-history
- **controller_controls_operator:** Owens George → Five-O-Corp; 1990-11-20 to 1991-01-27; source msha-controller-operator-history
- **operator_operates_mine:** Live Oak Mining Inc → No 31; 1991-01-28 to 1993-01-26; source msha-controller-operator-history
- **controller_controls_mine:** Cline Larry → No 31; 1991-01-28 to 1993-01-26; source msha-controller-operator-history
- **controller_controls_operator:** Cline Larry → Live Oak Mining Inc; 1991-01-28 to 1993-01-26; source msha-controller-operator-history
- **controller_controls_mine:** Ball Kendall & Bernie Curry → No 31; 1992-07-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Solomon'S Mines Inc → No 31; 1993-01-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ball Kendall & Bernie Curry → Solomon'S Mines Inc; 1993-01-27 to current/open; source msha-controller-operator-history