# Relationship history for MSHA mine 2401500

Current hierarchy: **Eric G  Eggar → Eggar Construction Service → MISSION PIT**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Jack  Eggar → MISSION PIT; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Eggar Construction Company → MISSION PIT; 1979-01-01 to 1993-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Jack  Eggar → Eggar Construction Company; 1979-01-01 to 1993-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Eggar Construction Service → MISSION PIT; 1994-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Eric G  Eggar → MISSION PIT; 1994-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eric G  Eggar → Eggar Construction Service; 1994-01-01 to current/open; source msha-controller-operator-history