# Relationship history for MSHA mine 4406248

Current hierarchy: **Harman James E → Harman Energy Inc → No 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:** Lowe Coal Company Inc → No 1 Mine; 1985-09-01 to 1986-08-07; source msha-controller-operator-history
- **controller_controls_mine:** Lowe Clarence E → No 1 Mine; 1985-09-01 to 1986-10-08; source msha-controller-operator-history
- **controller_controls_operator:** Lowe Clarence E → Lowe Coal Company Inc; 1985-09-01 to 1986-08-07; source msha-controller-operator-history
- **operator_operates_mine:** Harman Energy Inc → No 1 Mine; 1986-08-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Harman James E → No 1 Mine; 1986-08-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harman James E → Harman Energy Inc; 1986-08-08 to current/open; source msha-controller-operator-history