# Relationship history for MSHA mine 1516154

Current hierarchy: **Arthur C  Miller → Kentucky Mountain Reserve Inc → #1 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Ky Mountain Mining Inc → #1 Mine; 1987-09-01 to 1987-10-12; source msha-controller-operator-history
- **controller_controls_mine:** Aaron  Justice Jr → #1 Mine; 1987-09-01 to 1987-10-12; source msha-controller-operator-history
- **controller_controls_operator:** Aaron  Justice Jr → Ky Mountain Mining Inc; 1987-09-01 to 1987-10-12; source msha-controller-operator-history
- **operator_operates_mine:** Kentucky Mountain Reserve Inc → #1 Mine; 1987-10-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Arthur C  Miller → #1 Mine; 1987-10-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arthur C  Miller → Kentucky Mountain Reserve Inc; 1987-10-13 to current/open; source msha-controller-operator-history
