# Relationship history for MSHA mine 4606884

Current hierarchy: **Brumfield Terry L → Brumfield Construction Inc → Southfork 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:** Lindy Coal Inc → Southfork Surface; 1985-01-01 to 1987-01-21; source msha-controller-operator-history
- **controller_controls_mine:** Gerald H  Deskins → Southfork Surface; 1985-01-01 to 1987-01-21; source msha-controller-operator-history
- **controller_controls_operator:** Gerald H  Deskins → Lindy Coal Inc; 1985-01-01 to 1987-01-21; source msha-controller-operator-history
- **controller_controls_mine:** Maynard Richard-Lowell Robinson Et Al → Southfork Surface; 1987-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lindy Coal Company → Southfork Surface; 1987-01-22 to 1993-11-03; source msha-controller-operator-history
- **controller_controls_operator:** Maynard Richard-Lowell Robinson Et Al → Lindy Coal Company; 1987-01-22 to 1993-11-03; source msha-controller-operator-history
- **controller_controls_mine:** Ellis Wayne → Southfork Surface; 1989-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brumfield Terry L → Southfork Surface; 1993-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Donnaway Coal Inc → Southfork Surface; 1993-11-04 to 1994-12-26; source msha-controller-operator-history
- **controller_controls_operator:** Ellis Wayne → Donnaway Coal Inc; 1993-11-04 to 1994-12-26; source msha-controller-operator-history
- **operator_operates_mine:** Brumfield Construction Inc → Southfork Surface; 1994-12-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brumfield Terry L → Brumfield Construction Inc; 1994-12-27 to current/open; source msha-controller-operator-history