# Relationship history for MSHA mine 4406448

Current hierarchy: **(William) Scott  Moore → M & S Coal Company Inc → Mine #2**

- 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

- **controller_controls_mine:** Hansel D  Fleming → Mine #2; 1981-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** (William) Scott  Moore → Mine #2; 1981-10-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kelly Energy Company Inc → Mine #2; 1988-03-01 to 1990-10-09; source msha-controller-operator-history
- **controller_controls_operator:** Hansel D  Fleming → Kelly Energy Company Inc; 1988-03-01 to 1990-10-09; source msha-controller-operator-history
- **controller_controls_mine:** Mullins Wayne A → Mine #2; 1990-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lowe Mining Of Southwest Va Inc → Mine #2; 1990-10-10 to 1991-05-05; source msha-controller-operator-history
- **controller_controls_operator:** Mullins Wayne A → Lowe Mining Of Southwest Va Inc; 1990-10-10 to 1991-05-05; source msha-controller-operator-history
- **operator_operates_mine:** M C M Mining Inc → Mine #2; 1991-05-06 to 1991-08-26; source msha-controller-operator-history
- **controller_controls_mine:** Collins Gary M → Mine #2; 1991-05-06 to 1992-11-12; source msha-controller-operator-history
- **controller_controls_operator:** Collins Gary M → M C M Mining Inc; 1991-05-06 to 1991-08-26; source msha-controller-operator-history
- **operator_operates_mine:** M & S Coal Company Inc → Mine #2; 1991-08-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** (William) Scott  Moore → M & S Coal Company Inc; 1991-08-27 to current/open; source msha-controller-operator-history