# Relationship history for MSHA mine 4405957

Current hierarchy: **Cole Lonnie W → Little Boot Mining Company Inc → 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** J & K Coal Company Inc → No 1; 1982-10-01 to 1985-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Harman James E → No 1; 1982-10-01 to 1985-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Harman James E → J & K Coal Company Inc; 1982-10-01 to 1985-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Charrich Company → No 1; 1985-05-01 to 1985-12-16; source msha-controller-operator-history
- **controller_controls_mine:** Lockhart Charles → No 1; 1985-05-01 to 1985-12-16; source msha-controller-operator-history
- **controller_controls_operator:** Lockhart Charles → Charrich Company; 1985-05-01 to 1985-12-16; source msha-controller-operator-history
- **operator_operates_mine:** Harmco Coal Company Inc → No 1; 1985-12-17 to 1986-04-20; source msha-controller-operator-history
- **controller_controls_mine:** Harman Cody → No 1; 1985-12-17 to 1986-04-20; source msha-controller-operator-history
- **controller_controls_operator:** Harman Cody → Harmco Coal Company Inc; 1985-12-17 to 1986-04-20; source msha-controller-operator-history
- **operator_operates_mine:** Little Boot Mining Company Inc → No 1; 1986-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cole Lonnie W → No 1; 1986-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cole Lonnie W → Little Boot Mining Company Inc; 1986-04-21 to current/open; source msha-controller-operator-history