# Relationship history for MSHA mine 2602421

Current hierarchy: **Terry J  Reck; Randy A  Reck → Reck Brothers, LLC → Hi Line Quarry**

- 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:** Reck Brothers, LLC → Hi Line Quarry; 2000-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Terry J  Reck et al → Hi Line Quarry; 2000-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Terry J  Reck et al → Reck Brothers, LLC; 2000-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randy A  Reck et al → Reck Brothers, LLC; 2000-05-01 to current/open; source msha-controller-operator-history
