# Relationship history for MSHA mine 1514962

Current hierarchy: **Genet Herman W & John A Stovall → Ohio River Coal Company Inc → Mclean County No 1**

- 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:** Genet Herman W & John A Stovall → Mclean County No 1; 1978-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ohio River Coal Company Inc → Mclean County No 1; 1984-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Genet Herman W & John A Stovall → Ohio River Coal Company Inc; 1984-11-01 to current/open; source msha-controller-operator-history