# Relationship history for MSHA mine 3200804

Current hierarchy: **Bryan  Windjue → Windjue Payloader Ser. → Perless #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:** Windjue Payloader Ser. → Perless #1; 2002-09-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bryan  Windjue → Perless #1; 2002-09-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bryan  Windjue → Windjue Payloader Ser.; 2002-09-12 to current/open; source msha-controller-operator-history