# Relationship history for MSHA mine 0103033

Current hierarchy: **Mcmillan Dewayne Keith → Sunbelt Mining Inc → Caffee Creek 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

- **controller_controls_mine:** Brown Gene → Caffee Creek Mine; 1993-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bar Coal Inc → Caffee Creek Mine; 1994-06-01 to 1995-07-09; source msha-controller-operator-history
- **controller_controls_operator:** Brown Gene → Bar Coal Inc; 1994-06-01 to 1995-07-09; source msha-controller-operator-history
- **controller_controls_mine:** Mcmillan Dewayne Keith → Caffee Creek Mine; 1994-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Sunbelt Mining Inc → Caffee Creek Mine; 1995-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mcmillan Dewayne Keith → Sunbelt Mining Inc; 1995-07-10 to current/open; source msha-controller-operator-history