# Relationship history for MSHA mine 3608735

Current hierarchy: **CQ Incorporated → Cq Energy Partners Ltd → Ginger Hill Synfuels Lp**

- 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:** Cq Energy Partners Ltd → Ginger Hill Synfuels Lp; 1998-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** CQ Incorporated → Ginger Hill Synfuels Lp; 1998-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CQ Incorporated → Cq Energy Partners Ltd; 1998-06-01 to current/open; source msha-controller-operator-history