# Relationship history for MSHA mine 3503961

Current hierarchy: **Dylan J Bochsler; Ronald R Bochsler → North Santiam Paving Co → Fox Valley**

- 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:** North Santiam Paving Co → Fox Valley; 2024-05-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dylan J Bochsler et al → Fox Valley; 2024-05-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dylan J Bochsler et al → North Santiam Paving Co; 2024-05-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ronald R Bochsler et al → North Santiam Paving Co; 2024-05-27 to current/open; source msha-controller-operator-history