# Relationship history for MSHA mine 2601718

Current hierarchy: **Lichtenstein Immanuel → Bauer Metals Inc → Bauer Millsite**

- 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:** Lichtenstein Immanuel → Bauer Millsite; 1980-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** A Conrad Stewart → Bauer Millsite; 1981-01-01 to 1983-06-20; source msha-controller-operator-history
- **controller_controls_mine:** Stewart A Conrad → Bauer Millsite; 1981-01-01 to 1983-06-20; source msha-controller-operator-history
- **controller_controls_operator:** Stewart A Conrad → A Conrad Stewart; 1981-01-01 to 1983-06-20; source msha-controller-operator-history
- **operator_operates_mine:** Bauer Metals Inc → Bauer Millsite; 1983-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lichtenstein Immanuel → Bauer Metals Inc; 1983-06-21 to current/open; source msha-controller-operator-history