# Relationship history for MSHA mine 0504346

Current hierarchy: **Battle Mountain Gold Company → Battle Mountain Gold Company → SAN LUIS 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

- **controller_controls_mine:** Battle Mountain Gold Company → SAN LUIS MINE; 1985-08-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Battle Mountain Gold Company → SAN LUIS MINE; 1988-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Battle Mountain Gold Company → Battle Mountain Gold Company; 1988-05-01 to current/open; source msha-controller-operator-history