# Relationship history for MSHA mine 1001942

Current hierarchy: **Jeanne M  (Seubert) McDonough → Clearwater Concrete Inc → CCI - McCall Wash Plant**

- 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

- **controller_controls_mine:** Jeanne M  (Seubert) McDonough et al → CCI - McCall Wash Plant; 1996-05-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Clearwater Concrete Inc → CCI - McCall Wash Plant; 1998-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeanne M  (Seubert) McDonough et al → Clearwater Concrete Inc; 1998-07-01 to current/open; source msha-controller-operator-history