# Relationship history for MSHA mine 3303683

Current hierarchy: **Mullet Emanuel E--Walter Gary → G & M Mineral Company → G & M (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

- **operator_operates_mine:** G & M Mineral Company → G & M (Strip); 1978-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mullet Emanuel E--Walter Gary → G & M (Strip); 1978-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mullet Emanuel E--Walter Gary → G & M Mineral Company; 1978-05-01 to current/open; source msha-controller-operator-history