# Relationship history for MSHA mine 3609191

Current hierarchy: **Stephen J  Pelton → P & P Gravel Company → T-Sab 643**

- 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:** Stephen J  Pelton → T-Sab 643; 2003-07-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jill D. Cross → T-Sab 643; 2004-01-08 to 2008-07-08; source msha-controller-operator-history
- **controller_controls_mine:** Jill D Cross → T-Sab 643; 2004-01-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jill D Cross → Jill D. Cross; 2004-01-08 to 2008-07-08; source msha-controller-operator-history
- **operator_operates_mine:** P & P Gravel Company → T-Sab 643; 2008-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stephen J  Pelton → P & P Gravel Company; 2008-07-09 to current/open; source msha-controller-operator-history
