# Relationship history for MSHA mine 4405315

Current hierarchy: **Pittston Company → Paramont Coal Corp → Deep Mine #30**

- 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:** Jimmy R  Rose → Deep Mine #30; 1974-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Norma A Coal Corp → Deep Mine #30; 1979-10-01 to 1999-11-17; source msha-controller-operator-history
- **controller_controls_operator:** Jimmy R  Rose → Norma A Coal Corp; 1979-10-01 to 1999-11-17; source msha-controller-operator-history
- **controller_controls_mine:** Pittston Company → Deep Mine #30; 1986-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Coal Corp → Deep Mine #30; 1999-11-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pittston Company → Paramont Coal Corp; 1999-11-18 to current/open; source msha-controller-operator-history