# Relationship history for MSHA mine 3304123

Current hierarchy: **Belville Thomas J → Belville Mining Company Inc → BELVILLE MINING CO. INC.**

- 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:** Belville Mining Company Inc → BELVILLE MINING CO. INC.; 1987-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Belville Thomas J → BELVILLE MINING CO. INC.; 1987-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Belville Thomas J → Belville Mining Company Inc; 1987-12-01 to current/open; source msha-controller-operator-history