# Relationship history for MSHA mine 3609888

Current hierarchy: **Quintana Capital Group GP Ltd → Wilson Creek Energy LLC → Wilson Creek Surface Mines**

- 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:** Wilson Creek Energy LLC → Wilson Creek Surface Mines; 2010-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Corsa Coal Corporation → Wilson Creek Surface Mines; 2010-12-08 to 2013-03-14; source msha-controller-operator-history
- **controller_controls_operator:** Corsa Coal Corporation → Wilson Creek Energy LLC; 2010-12-08 to 2013-03-14; source msha-controller-operator-history
- **controller_controls_mine:** Quintana Capital Group GP Ltd et al → Wilson Creek Surface Mines; 2013-03-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Quintana Capital Group GP Ltd et al → Wilson Creek Energy LLC; 2013-03-15 to current/open; source msha-controller-operator-history