# Relationship history for MSHA mine 0404658

Current hierarchy: **Donald R  Claunch → Custom Rock Products Inc → Hillsdale Paicines Pit**

- 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:** Donald R  Claunch → Hillsdale Paicines Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lewis E Nebe Corp → Hillsdale Paicines Pit; 1950-01-01 to 1984-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Nebe Lewis E → Hillsdale Paicines Pit; 1950-01-01 to 1984-01-31; source msha-controller-operator-history
- **controller_controls_operator:** Nebe Lewis E → Lewis E Nebe Corp; 1950-01-01 to 1984-01-31; source msha-controller-operator-history
- **operator_operates_mine:** Custom Rock Products Inc → Hillsdale Paicines Pit; 1984-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donald R  Claunch → Custom Rock Products Inc; 1984-02-01 to current/open; source msha-controller-operator-history