# Relationship history for MSHA mine 4605247

Current hierarchy: **Parsley Ronald → R M I Contracting Corp → No 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

- **operator_operates_mine:** L & N Coal Company → No 2; 1976-07-23 to 1994-09-21; source msha-controller-operator-history
- **controller_controls_mine:** Lester Lawrence & Lyle E Neal → No 2; 1976-07-23 to 1994-09-21; source msha-controller-operator-history
- **controller_controls_operator:** Lester Lawrence & Lyle E Neal → L & N Coal Company; 1976-07-23 to 1994-09-21; source msha-controller-operator-history
- **controller_controls_mine:** Parsley Ronald Et Al → No 2; 1994-04-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pearl Coal Company Inc → No 2; 1994-09-22 to 1995-03-29; source msha-controller-operator-history
- **controller_controls_mine:** Thacker Robert L → No 2; 1994-09-22 to 1995-03-29; source msha-controller-operator-history
- **controller_controls_operator:** Thacker Robert L → Pearl Coal Company Inc; 1994-09-22 to 1995-03-29; source msha-controller-operator-history
- **operator_operates_mine:** Cody Coal Company Inc → No 2; 1995-03-30 to 1995-10-22; source msha-controller-operator-history
- **controller_controls_mine:** Kirk Roger L → No 2; 1995-03-30 to 1995-10-22; source msha-controller-operator-history
- **controller_controls_operator:** Kirk Roger L → Cody Coal Company Inc; 1995-03-30 to 1995-10-22; source msha-controller-operator-history
- **operator_operates_mine:** R M I Contracting Corp → No 2; 1995-10-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Parsley Ronald Et Al → R M I Contracting Corp; 1995-10-23 to current/open; source msha-controller-operator-history
