# Relationship history for MSHA mine 4801844

Current hierarchy: **Ryan  Munks; Brekke  Munks → Plattoga Holdings, LLC → Plattoga Pit**

- 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:** Plattoga Holdings, LLC → Plattoga Pit; 2021-03-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brekke  Munks et al → Plattoga Pit; 2021-03-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brekke  Munks et al → Plattoga Holdings, LLC; 2021-03-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ryan  Munks et al → Plattoga Holdings, LLC; 2021-03-29 to current/open; source msha-controller-operator-history