# Relationship history for MSHA mine 2002759

Current hierarchy: **Freel Jay B → Jay B Freel & Sons Excavating → Freel 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Jay B Freel & Sons Excavating → Freel Pit; 1986-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Freel Jay B → Freel Pit; 1986-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Freel Jay B → Jay B Freel & Sons Excavating; 1986-08-01 to current/open; source msha-controller-operator-history