# Relationship history for MSHA mine 4404127

Current hierarchy: **Mc Intyre Richard W → Virginia Partners Ltd → No 1 Tipple**

- 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:** Moore Ronald L & Royce → No 1 Tipple; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** T M Coal Company Inc → No 1 Tipple; 1975-06-01 to 1979-05-23; source msha-controller-operator-history
- **controller_controls_operator:** Moore Ronald L & Royce → T M Coal Company Inc; 1975-06-01 to 1979-05-23; source msha-controller-operator-history
- **operator_operates_mine:** Virginia Partners Ltd → No 1 Tipple; 1979-05-24 to 1982-12-14; source msha-controller-operator-history
- **controller_controls_mine:** Mc Intyre Richard W Et Al → No 1 Tipple; 1979-05-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mc Intyre Richard W Et Al → Virginia Partners Ltd; 1979-05-24 to 1982-12-14; source msha-controller-operator-history
- **operator_operates_mine:** Gem Stone Coal Inc → No 1 Tipple; 1982-12-15 to 1985-09-19; source msha-controller-operator-history
- **controller_controls_mine:** James A  Dean et al → No 1 Tipple; 1982-12-15 to 2000-08-24; source msha-controller-operator-history
- **controller_controls_operator:** James A  Dean et al → Gem Stone Coal Inc; 1982-12-15 to 1985-09-19; source msha-controller-operator-history
- **operator_operates_mine:** Virginia Partners Ltd → No 1 Tipple; 1985-09-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mc Intyre Richard W Et Al → Virginia Partners Ltd; 1985-09-20 to current/open; source msha-controller-operator-history