# Relationship history for MSHA mine 2501256

Current hierarchy: **Christine  Meeske; Terry  Meeske → Maverick Rentals LLP → Portable #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:** Maverick Rentals LLP → Portable #1; 2009-01-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jon B  McDonald → Portable #1; 2009-01-29 to 2025-07-21; source msha-controller-operator-history
- **controller_controls_operator:** Jon B  McDonald → Maverick Rentals LLP; 2009-01-29 to 2025-07-21; source msha-controller-operator-history
- **controller_controls_mine:** Christine  Meeske et al → Portable #1; 2025-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christine  Meeske et al → Maverick Rentals LLP; 2025-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Terry  Meeske et al → Maverick Rentals LLP; 2025-07-22 to current/open; source msha-controller-operator-history