# Relationship history for MSHA mine 2602284

Current hierarchy: **Gee Harvey → Road Runner Grading Inc → NORTH JEAN LAKE COMMUNITY 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

- **operator_operates_mine:** Road Runner Grading Inc → NORTH JEAN LAKE COMMUNITY PIT; 1996-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gee Harvey → NORTH JEAN LAKE COMMUNITY PIT; 1996-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gee Harvey → Road Runner Grading Inc; 1996-01-01 to current/open; source msha-controller-operator-history