# Relationship history for MSHA mine 4405657

Current hierarchy: **Lawson John & Truman → Little David Coal Company Inc → Little David No 3 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

- **operator_operates_mine:** Bear Branch Coal Company Inc → Little David No 3 Mine; 1981-06-01 to 1981-10-27; source msha-controller-operator-history
- **controller_controls_mine:** Coleman Gilbert A → Little David No 3 Mine; 1981-06-01 to 1981-10-27; source msha-controller-operator-history
- **controller_controls_operator:** Coleman Gilbert A → Bear Branch Coal Company Inc; 1981-06-01 to 1981-10-27; source msha-controller-operator-history
- **controller_controls_mine:** Lawson John & Truman → Little David No 3 Mine; 1981-07-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Randa Coal Corp → Little David No 3 Mine; 1981-10-28 to 1984-05-16; source msha-controller-operator-history
- **controller_controls_mine:** Mc Call Charles → Little David No 3 Mine; 1981-10-28 to 1984-05-16; source msha-controller-operator-history
- **controller_controls_operator:** Mc Call Charles → Randa Coal Corp; 1981-10-28 to 1984-05-16; source msha-controller-operator-history
- **operator_operates_mine:** Little David Coal Company Inc → Little David No 3 Mine; 1984-05-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lawson John & Truman → Little David Coal Company Inc; 1984-05-17 to current/open; source msha-controller-operator-history