# Relationship history for MSHA mine 3605123

Current hierarchy: **John P  Garcia → Genesis Inc → Solar No 7**

- 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:** Lunar Mining Inc → Solar No 7; 1975-11-01 to 1981-11-22; source msha-controller-operator-history
- **controller_controls_mine:** George  Ledney → Solar No 7; 1975-11-01 to 1981-11-22; source msha-controller-operator-history
- **controller_controls_operator:** George  Ledney → Lunar Mining Inc; 1975-11-01 to 1981-11-22; source msha-controller-operator-history
- **controller_controls_mine:** Gulf + Western Industries Inc → Solar No 7; 1976-12-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Solar Fuel Company-A Gulf + Western Company → Solar No 7; 1981-11-23 to 1986-03-13; source msha-controller-operator-history
- **controller_controls_operator:** Gulf + Western Industries Inc → Solar Fuel Company-A Gulf + Western Company; 1981-11-23 to 1986-03-13; source msha-controller-operator-history
- **operator_operates_mine:** Solar Fuel Company Inc → Solar No 7; 1986-03-14 to 1994-09-06; source msha-controller-operator-history
- **controller_controls_mine:** David C  Klementik  et al → Solar No 7; 1986-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David C  Klementik  et al → Solar Fuel Company Inc; 1986-03-14 to 1994-09-06; source msha-controller-operator-history
- **controller_controls_mine:** John P  Garcia et al → Solar No 7; 1990-09-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Genesis Inc → Solar No 7; 1994-09-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John P  Garcia et al → Genesis Inc; 1994-09-07 to current/open; source msha-controller-operator-history