# Relationship history for MSHA mine 1519061

Current hierarchy: **Mike  Newsome → Bubba Coal Co Inc → #3**

- 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:** Cornelius  Rowe → #3; 1992-09-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mike  Newsome → #3; 2004-10-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ro-Co Resources Inc. → #3; 2006-11-17 to 2007-06-04; source msha-controller-operator-history
- **controller_controls_operator:** Cornelius  Rowe → Ro-Co Resources Inc.; 2006-11-17 to 2007-06-04; source msha-controller-operator-history
- **operator_operates_mine:** Bubba Coal Co Inc → #3; 2007-06-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Newsome → Bubba Coal Co Inc; 2007-06-05 to current/open; source msha-controller-operator-history