# Relationship history for MSHA mine 2402573

Current hierarchy: **Les (Eugene) L  Towner; Rob  Towner → Bear Creek Placer LLC → Bear Creek Placer**

- 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:** Bear Creek Placer LLC → Bear Creek Placer; 2010-07-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rob  Towner et al → Bear Creek Placer; 2010-07-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rob  Towner et al → Bear Creek Placer LLC; 2010-07-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Les (Eugene) L  Towner et al → Bear Creek Placer LLC; 2010-07-12 to current/open; source msha-controller-operator-history