# Relationship history for MSHA mine 2501294

Current hierarchy: **Donald G  Mc Elhose → Don McElhoseTrucking & Construction → Plant #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:** Don McElhoseTrucking & Construction → Plant #1; 2015-05-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Donald G  Mc Elhose → Plant #1; 2015-05-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donald G  Mc Elhose → Don McElhoseTrucking & Construction; 2015-05-27 to current/open; source msha-controller-operator-history