# Relationship history for MSHA mine 3607646

Current hierarchy: **CONSOL Energy Inc → Laurel Run Mining Company → Vesta #5 Mine**

- 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:** Massey Energy Company → Vesta #5 Mine; 1982-05-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** High Tech Collieries Inc → Vesta #5 Mine; 1984-12-01 to 1991-06-29; source msha-controller-operator-history
- **controller_controls_mine:** Hayhurst Jane C Et Al → Vesta #5 Mine; 1984-12-01 to 1991-06-29; source msha-controller-operator-history
- **controller_controls_operator:** Hayhurst Jane C Et Al → High Tech Collieries Inc; 1984-12-01 to 1991-06-29; source msha-controller-operator-history
- **operator_operates_mine:** Vesta Mining Company → Vesta #5 Mine; 1991-06-30 to 1998-11-06; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Vesta Mining Company; 1991-06-30 to 1998-11-06; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Vesta #5 Mine; 1993-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Laurel Run Mining Company → Vesta #5 Mine; 1998-11-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Laurel Run Mining Company; 1998-11-07 to current/open; source msha-controller-operator-history