# Relationship history for MSHA mine 2601927

Current hierarchy: **Beaumont-Owen Carl → British Americian Mining Corp → Capitol 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:** British Americian Mining Corp → Capitol Mine; 1985-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Beaumont-Owen Carl → Capitol Mine; 1985-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Beaumont-Owen Carl → British Americian Mining Corp; 1985-06-01 to current/open; source msha-controller-operator-history