# Relationship history for MSHA mine 4404723

Current hierarchy: **Tommy N  Bright I → Elite Tipples Inc → Blackwood No 2**

- 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:** Virginia Coal Processing Company Inc → Blackwood No 2; 1977-06-01 to 1981-07-21; source msha-controller-operator-history
- **controller_controls_mine:** Edward J  Fourticq et al → Blackwood No 2; 1977-06-01 to 1981-07-21; source msha-controller-operator-history
- **controller_controls_operator:** Edward J  Fourticq et al → Virginia Coal Processing Company Inc; 1977-06-01 to 1981-07-21; source msha-controller-operator-history
- **operator_operates_mine:** Stirling Coal Company → Blackwood No 2; 1981-07-22 to 1990-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Harold T  Stirling → Blackwood No 2; 1981-07-22 to 1990-04-29; source msha-controller-operator-history
- **controller_controls_operator:** Harold T  Stirling → Stirling Coal Company; 1981-07-22 to 1990-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Bright Tommy N-Carter C Long Et Al → Blackwood No 2; 1988-12-01 to 2003-01-27; source msha-controller-operator-history
- **operator_operates_mine:** Elite Tipples Inc → Blackwood No 2; 1990-04-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bright Tommy N-Carter C Long Et Al → Elite Tipples Inc; 1990-04-30 to 2003-01-27; source msha-controller-operator-history
- **controller_controls_mine:** Tommy N  Bright I → Blackwood No 2; 2003-01-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tommy N  Bright I → Elite Tipples Inc; 2003-01-28 to current/open; source msha-controller-operator-history