# Relationship history for MSHA mine 1518312

Current hierarchy: **Roger D  Barnette → Tradition Mining Corporation → No. 6**

- 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:** Roger D  Barnette → No. 6; 1998-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James W  Smith → No. 6; 2000-04-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Millennium Fuels Inc → No. 6; 2000-12-01 to 2001-06-07; source msha-controller-operator-history
- **controller_controls_operator:** James W  Smith → Millennium Fuels Inc; 2000-12-01 to 2001-06-07; source msha-controller-operator-history
- **operator_operates_mine:** Elaine Enterprises → No. 6; 2001-06-08 to 2001-12-18; source msha-controller-operator-history
- **controller_controls_mine:** Eddie  Lawson → No. 6; 2001-06-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eddie  Lawson → Elaine Enterprises; 2001-06-08 to 2001-12-18; source msha-controller-operator-history
- **operator_operates_mine:** Tradition Mining Corporation → No. 6; 2001-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roger D  Barnette → Tradition Mining Corporation; 2001-12-19 to current/open; source msha-controller-operator-history