# Relationship history for MSHA mine 4406802

Current hierarchy: **Pittston Company → Paramont Coal Corp → Deep Mine #24**

- 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:** Pittston Company → Deep Mine #24; 1986-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Reebok Coal Enterprises Inc → Deep Mine #24; 1995-07-01 to 1996-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Hicks Robert A → Deep Mine #24; 1995-07-01 to 1996-08-11; source msha-controller-operator-history
- **controller_controls_operator:** Hicks Robert A → Reebok Coal Enterprises Inc; 1995-07-01 to 1996-08-11; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Coal Corp → Deep Mine #24; 1996-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pittston Company → Paramont Coal Corp; 1996-08-12 to current/open; source msha-controller-operator-history