# Relationship history for MSHA mine 4605296

Current hierarchy: **White Richard N → M L M Corp → Stoney Road No 2 Strip**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Yanero Mike → Stoney Road No 2 Strip; 1975-08-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** West Virginia Fuels Inc → Stoney Road No 2 Strip; 1976-09-01 to 1979-10-22; source msha-controller-operator-history
- **controller_controls_operator:** Yanero Mike → West Virginia Fuels Inc; 1976-09-01 to 1979-10-22; source msha-controller-operator-history
- **controller_controls_mine:** White Richard N → Stoney Road No 2 Strip; 1977-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hamilton Contracting Inc → Stoney Road No 2 Strip; 1979-10-23 to 1980-08-20; source msha-controller-operator-history
- **controller_controls_mine:** Hamilton Jack F → Stoney Road No 2 Strip; 1979-10-23 to 1980-08-20; source msha-controller-operator-history
- **controller_controls_operator:** Hamilton Jack F → Hamilton Contracting Inc; 1979-10-23 to 1980-08-20; source msha-controller-operator-history
- **operator_operates_mine:** M L M Corp → Stoney Road No 2 Strip; 1980-08-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** White Richard N → M L M Corp; 1980-08-21 to current/open; source msha-controller-operator-history