# Relationship history for MSHA mine 0405451

Current hierarchy: **Anthony  Steen; Corey  Kirschner → ONYX MATERIALS → PLANT #5**

- 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:** Soil Binder → PLANT #5; 2000-07-01 to 2022-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Nick  Leinen et al → PLANT #5; 2000-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nick  Leinen et al → Soil Binder; 2000-07-01 to 2022-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Mitch  Leinen et al → Soil Binder; 2000-07-01 to 2022-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Mitch  Leinen et al → PLANT #5; 2007-12-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Leinco Enterpises,Inc. → PLANT #5; 2022-06-01 to 2025-01-01; source msha-controller-operator-history
- **controller_controls_operator:** Mitch  Leinen et al → Leinco Enterpises,Inc.; 2022-06-01 to 2025-01-01; source msha-controller-operator-history
- **controller_controls_operator:** Nick  Leinen et al → Leinco Enterpises,Inc.; 2022-06-01 to 2025-01-01; source msha-controller-operator-history
- **operator_operates_mine:** ONYX MATERIALS → PLANT #5; 2025-01-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Anthony  Steen et al → PLANT #5; 2025-01-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony  Steen et al → ONYX MATERIALS; 2025-01-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Corey  Kirschner et al → ONYX MATERIALS; 2025-01-02 to current/open; source msha-controller-operator-history
