# Relationship history for MSHA mine 1512303

Current hierarchy: **Cornelius  Rowe → Ro-Co Resources Inc → No 1**

- 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:** Bentley Earl → No 1; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Carry Back Coal Company → No 1; 1980-04-01 to 1985-02-19; source msha-controller-operator-history
- **controller_controls_operator:** Bentley Earl → Carry Back Coal Company; 1980-04-01 to 1985-02-19; source msha-controller-operator-history
- **operator_operates_mine:** T L C Inc → No 1; 1985-02-20 to 1989-11-27; source msha-controller-operator-history
- **controller_controls_mine:** Dye Litten Jimmy → No 1; 1985-02-20 to 1989-11-27; source msha-controller-operator-history
- **controller_controls_operator:** Dye Litten Jimmy → T L C Inc; 1985-02-20 to 1989-11-27; source msha-controller-operator-history
- **controller_controls_mine:** Edward  Groves → No 1; 1986-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bar Mining Corp → No 1; 1989-11-28 to 1990-10-08; source msha-controller-operator-history
- **controller_controls_mine:** Coleman Branson → No 1; 1989-11-28 to 1990-10-08; source msha-controller-operator-history
- **controller_controls_operator:** Coleman Branson → Bar Mining Corp; 1989-11-28 to 1990-10-08; source msha-controller-operator-history
- **operator_operates_mine:** Edco Energy Corp → No 1; 1990-10-09 to 1991-09-23; source msha-controller-operator-history
- **controller_controls_operator:** Edward  Groves → Edco Energy Corp; 1990-10-09 to 1991-09-23; source msha-controller-operator-history
- **operator_operates_mine:** Eagle Energy Inc → No 1; 1991-09-24 to 1992-09-15; source msha-controller-operator-history
- **controller_controls_mine:** Cole Wilburn J → No 1; 1991-09-24 to 1992-09-15; source msha-controller-operator-history
- **controller_controls_operator:** Cole Wilburn J → Eagle Energy Inc; 1991-09-24 to 1992-09-15; source msha-controller-operator-history
- **operator_operates_mine:** Ro-Co Resources Inc → No 1; 1992-09-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cornelius  Rowe → No 1; 1992-09-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cornelius  Rowe → Ro-Co Resources Inc; 1992-09-16 to current/open; source msha-controller-operator-history