# Relationship history for MSHA mine 4503068

Current hierarchy: **Steve C  Pausheck → Rainier Gravel → Rainier Mine**

- 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:** Rainier Gravel → Rainier Mine; 1985-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Pausheck → Rainier Mine; 1985-12-01 to 2025-06-10; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Pausheck → Rainier Gravel; 1985-12-01 to 2025-06-10; source msha-controller-operator-history
- **controller_controls_mine:** Steve C  Pausheck → Rainier Mine; 2025-06-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve C  Pausheck → Rainier Gravel; 2025-06-11 to current/open; source msha-controller-operator-history