# Relationship history for MSHA mine 3609566

Current hierarchy: **Clifford C  Wise → Collier Land & Coal Development LP → Cherry 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:** Collier Land & Coal Development LP → Cherry Mine; 2007-10-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hugh Francis  Mc Hugh → Cherry Mine; 2007-10-10 to 2012-12-03; source msha-controller-operator-history
- **controller_controls_operator:** Hugh Francis  Mc Hugh → Collier Land & Coal Development LP; 2007-10-10 to 2012-12-03; source msha-controller-operator-history
- **controller_controls_mine:** Clifford C  Wise → Cherry Mine; 2012-12-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clifford C  Wise → Collier Land & Coal Development LP; 2012-12-04 to current/open; source msha-controller-operator-history