# Relationship history for MSHA mine 1513357

Current hierarchy: **Fugate Gary → Gulf Southland Corp 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

- **operator_operates_mine:** Hyden Fuel Inc → No 1; 1982-02-01 to 1985-12-08; source msha-controller-operator-history
- **controller_controls_mine:** Wells Donnie → No 1; 1982-02-01 to 1985-12-08; source msha-controller-operator-history
- **controller_controls_operator:** Wells Donnie → Hyden Fuel Inc; 1982-02-01 to 1985-12-08; source msha-controller-operator-history
- **operator_operates_mine:** N & W Coal Inc → No 1; 1985-12-09 to 1989-03-23; source msha-controller-operator-history
- **controller_controls_mine:** Neace Sherman → No 1; 1985-12-09 to 1989-03-23; source msha-controller-operator-history
- **controller_controls_operator:** Neace Sherman → N & W Coal Inc; 1985-12-09 to 1989-03-23; source msha-controller-operator-history
- **operator_operates_mine:** Gulf Southland Corp Inc → No 1; 1989-03-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Fugate Gary → No 1; 1989-03-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fugate Gary → Gulf Southland Corp Inc; 1989-03-24 to current/open; source msha-controller-operator-history