# Relationship history for MSHA mine 3606654

Current hierarchy: **Ruscitto Anthony-Louis D → Mc Gal Coal Company Inc → Elizabeth Strip**

- 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:** Ruscitto Anthony-Louis D Et Al → Elizabeth Strip; 1975-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mc Gal Coal Company Inc → Elizabeth Strip; 1978-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ruscitto Anthony-Louis D Et Al → Mc Gal Coal Company Inc; 1978-05-01 to current/open; source msha-controller-operator-history