# Relationship history for MSHA mine 4606611

Current hierarchy: **Nelson Stanley → Joseph Coal Inc → Lucky Lady Loadout**

- 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:** Hylton Tracy W → Lucky Lady Loadout; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Whitesville A & S Coal Company Inc → Lucky Lady Loadout; 1982-12-01 to 1985-07-30; source msha-controller-operator-history
- **controller_controls_operator:** Hylton Tracy W → Whitesville A & S Coal Company Inc; 1982-12-01 to 1985-07-30; source msha-controller-operator-history
- **controller_controls_mine:** Nelson Stanley → Lucky Lady Loadout; 1985-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Joseph Coal Inc → Lucky Lady Loadout; 1985-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nelson Stanley → Joseph Coal Inc; 1985-07-31 to current/open; source msha-controller-operator-history