# Relationship history for MSHA mine 2602600

Current hierarchy: **Bill  Wadley → CTC Crushing, LLC → Jericho Quarry**

- 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:** Bill  Wadley → Jericho Quarry; 1999-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** CTC Crushing, LLC → Jericho Quarry; 2006-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bill  Wadley → CTC Crushing, LLC; 2006-07-01 to current/open; source msha-controller-operator-history