# Relationship history for MSHA mine 0202792

Current hierarchy: **Donald  Pelham → Harquahala Marble Products → WHITE MARBLE MINES**

- 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:** Harquahala Marble Products → WHITE MARBLE MINES; 1998-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Donald  Pelham → WHITE MARBLE MINES; 1998-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donald  Pelham → Harquahala Marble Products; 1998-10-01 to current/open; source msha-controller-operator-history