# Relationship history for MSHA mine 4606625

Current hierarchy: **Bragg Teddy S → C T J Mining Corp → #1 Surface**

- 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:** Sewell Continental Coal Company → #1 Surface; 1982-12-01 to 1983-09-11; source msha-controller-operator-history
- **controller_controls_mine:** Stuck Frank A → #1 Surface; 1982-12-01 to 1983-09-11; source msha-controller-operator-history
- **controller_controls_operator:** Stuck Frank A → Sewell Continental Coal Company; 1982-12-01 to 1983-09-11; source msha-controller-operator-history
- **operator_operates_mine:** Dale Perry Coal Mining Company Inc → #1 Surface; 1983-09-12 to 1984-01-22; source msha-controller-operator-history
- **controller_controls_mine:** Perry Dale → #1 Surface; 1983-09-12 to 1984-01-22; source msha-controller-operator-history
- **controller_controls_operator:** Perry Dale → Dale Perry Coal Mining Company Inc; 1983-09-12 to 1984-01-22; source msha-controller-operator-history
- **operator_operates_mine:** C T J Mining Corp → #1 Surface; 1984-01-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bragg Teddy S → #1 Surface; 1984-01-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bragg Teddy S → C T J Mining Corp; 1984-01-23 to current/open; source msha-controller-operator-history