# Relationship history for MSHA mine 1002376

Current hierarchy: **Ron  Gibron; Maureen  Kane → Summit Construction LLC → Summit 7084**

- 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:** Summit Construction LLC → Summit 7084; 2025-02-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ron  Gibron et al → Summit 7084; 2025-02-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ron  Gibron et al → Summit Construction LLC; 2025-02-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Maureen  Kane et al → Summit Construction LLC; 2025-02-05 to current/open; source msha-controller-operator-history