# Relationship history for MSHA mine 2402800

Current hierarchy: **Evan  Reinert; Kip  McClendon → Cornerstone Crushing LLC → Portable 45**

- 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

- **controller_controls_mine:** David  Wiediger → Portable 45; 2011-04-07 to 2013-08-23; source msha-controller-operator-history
- **controller_controls_mine:** Kip A  McClendon → Portable 45; 2013-08-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Rock It Crushing LLC → Portable 45; 2024-02-27 to 2025-03-31; source msha-controller-operator-history
- **controller_controls_operator:** David  Wiediger → Rock It Crushing LLC; 2024-02-27 to 2013-08-23; source msha-controller-operator-history
- **controller_controls_operator:** Kip A  McClendon → Rock It Crushing LLC; 2024-02-27 to 2025-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Cornerstone Crushing LLC → Portable 45; 2025-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Evan  Reinert et al → Portable 45; 2025-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Evan  Reinert et al → Cornerstone Crushing LLC; 2025-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kip  McClendon et al → Cornerstone Crushing LLC; 2025-04-01 to current/open; source msha-controller-operator-history