# Relationship history for MSHA mine 1514927

Current hierarchy: **Wesley D.  Burke → Shorty Coal Inc → No 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:** Tammy Anne Inc → No 1 Surface; 1984-10-01 to 1993-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Fugate Carlos & Herbert Honeycutt → No 1 Surface; 1984-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fugate Carlos & Herbert Honeycutt → Tammy Anne Inc; 1984-10-01 to 1993-08-31; source msha-controller-operator-history
- **operator_operates_mine:** Shorty Coal Inc → No 1 Surface; 1993-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Wesley D.  Burke et al → No 1 Surface; 1993-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wesley D.  Burke et al → Shorty Coal Inc; 1993-09-01 to current/open; source msha-controller-operator-history