# Relationship history for MSHA mine 3605944

Current hierarchy: **Randy R  Rinehimer → Riverview Block, Inc. → S M Rinehimer**

- 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:** Donald Rinehimer → S M Rinehimer; 1950-01-01 to 1985-03-27; source msha-controller-operator-history
- **controller_controls_mine:** Donald  Rinehimer → S M Rinehimer; 1950-01-01 to 1985-03-27; source msha-controller-operator-history
- **controller_controls_operator:** Donald  Rinehimer → Donald Rinehimer; 1950-01-01 to 1985-03-27; source msha-controller-operator-history
- **operator_operates_mine:** Riverview Block, Inc. → S M Rinehimer; 1985-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Randy R  Rinehimer → S M Rinehimer; 1985-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randy R  Rinehimer → Riverview Block, Inc.; 1985-03-28 to current/open; source msha-controller-operator-history