# Relationship history for MSHA mine 0102835

Current hierarchy: **Bennett Robert W → R & D Mining Inc → Bradley Town**

- 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:** Powell Joe E → Bradley Town; 1983-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tuggle James A → Bradley Town; 1988-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Chamblee Derrell Et Al → Bradley Town; 1989-05-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pickens Coal Inc → Bradley Town; 1989-11-01 to 1990-06-06; source msha-controller-operator-history
- **controller_controls_operator:** Powell Joe E → Pickens Coal Inc; 1989-11-01 to 1990-06-06; source msha-controller-operator-history
- **operator_operates_mine:** Nuggett Coal Company Inc → Bradley Town; 1990-06-07 to 1993-09-21; source msha-controller-operator-history
- **controller_controls_operator:** Chamblee Derrell Et Al → Nuggett Coal Company Inc; 1990-06-07 to 1993-09-21; source msha-controller-operator-history
- **operator_operates_mine:** Mining Consultants Inc → Bradley Town; 1993-09-22 to 1994-01-26; source msha-controller-operator-history
- **controller_controls_mine:** Godfrey James H Jr → Bradley Town; 1993-09-22 to 1994-01-26; source msha-controller-operator-history
- **controller_controls_operator:** Godfrey James H Jr → Mining Consultants Inc; 1993-09-22 to 1994-01-26; source msha-controller-operator-history
- **operator_operates_mine:** Dove Coal Corp → Bradley Town; 1994-01-27 to 1994-06-11; source msha-controller-operator-history
- **controller_controls_operator:** Tuggle James A → Dove Coal Corp; 1994-01-27 to 1994-06-11; source msha-controller-operator-history
- **operator_operates_mine:** R & D Mining Inc → Bradley Town; 1994-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bennett Robert W → Bradley Town; 1994-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bennett Robert W → R & D Mining Inc; 1994-06-12 to current/open; source msha-controller-operator-history
