# Relationship history for MSHA mine 4103028

Current hierarchy: **Southern Cross Ltd → Draco Mines Inc → Cave Peak 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:** Draco Mines Inc → Cave Peak Mine; 1980-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Southern Cross Ltd → Cave Peak Mine; 1980-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Southern Cross Ltd → Draco Mines Inc; 1980-08-01 to current/open; source msha-controller-operator-history