# Relationship history for MSHA mine 0405464

Current hierarchy: **John P  Ochipinti; Clyde  Clark → C B S Aggregates Llc → CRYSTAL PEAK**

- 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:** John P  Ochipinti  et al → CRYSTAL PEAK; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** C B S Aggregates Llc → CRYSTAL PEAK; 2000-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John P  Ochipinti  et al → C B S Aggregates Llc; 2000-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clyde  Clark  et al → C B S Aggregates Llc; 2000-10-01 to current/open; source msha-controller-operator-history