# Relationship history for MSHA mine 4405828

Current hierarchy: **Fuller Coy → Little Grassy Coal 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:** Lester James E → No 1; 1981-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Burnt Poplar Coal Company Inc → No 1; 1982-01-01 to 1983-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Clevinger Louis → No 1; 1982-01-01 to 1983-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Clevinger Louis → Burnt Poplar Coal Company Inc; 1982-01-01 to 1983-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Reb Mining Inc → No 1; 1983-11-01 to 1985-01-02; source msha-controller-operator-history
- **controller_controls_operator:** Lester James E → Reb Mining Inc; 1983-11-01 to 1985-01-02; source msha-controller-operator-history
- **operator_operates_mine:** Little Grassy Coal Inc → No 1; 1985-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Fuller Coy → No 1; 1985-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fuller Coy → Little Grassy Coal Inc; 1985-01-03 to current/open; source msha-controller-operator-history