# Relationship history for MSHA mine 1514659

Current hierarchy: **Timothy L  Fugate; Brack  Baker → Su Lin Enterprise → Mine 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:** Su Lin Enterprise → Mine No 1; 1984-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brack  Baker et al → Mine No 1; 1984-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brack  Baker et al → Su Lin Enterprise; 1984-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timothy L  Fugate et al → Su Lin Enterprise; 1984-06-01 to current/open; source msha-controller-operator-history