# Relationship history for MSHA mine 4607349

Current hierarchy: **Marcum Jerry → Coal River Management 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:** Stollings Willie R → No 1; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Stollings Mining Company Inc → No 1; 1987-08-01 to 1988-10-03; source msha-controller-operator-history
- **controller_controls_operator:** Stollings Willie R → Stollings Mining Company Inc; 1987-08-01 to 1988-10-03; source msha-controller-operator-history
- **operator_operates_mine:** Dolin Management Services Inc → No 1; 1988-10-04 to 1989-08-02; source msha-controller-operator-history
- **controller_controls_mine:** Dolin Ronald → No 1; 1988-10-04 to 1989-08-02; source msha-controller-operator-history
- **controller_controls_operator:** Dolin Ronald → Dolin Management Services Inc; 1988-10-04 to 1989-08-02; source msha-controller-operator-history
- **operator_operates_mine:** Coal River Management Inc → No 1; 1989-08-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Marcum Jerry → No 1; 1989-08-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marcum Jerry → Coal River Management Inc; 1989-08-03 to current/open; source msha-controller-operator-history