# Relationship history for MSHA mine 1302357

Current hierarchy: **Rasmussen Group Inc → L & W Quarries, Inc. → Centerville Shop**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Johnson Holding Company → Centerville Shop; 1991-03-15 to 2024-04-18; source msha-controller-operator-history
- **operator_operates_mine:** L & W Quarries, Inc. → Centerville Shop; 2008-01-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Johnson Holding Company → L & W Quarries, Inc.; 2008-01-08 to 2024-04-18; source msha-controller-operator-history
- **controller_controls_mine:** Rasmussen Group Inc → Centerville Shop; 2024-04-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rasmussen Group Inc → L & W Quarries, Inc.; 2024-04-19 to current/open; source msha-controller-operator-history