# Relationship history for MSHA mine 3102199

Current hierarchy: **Raymond S  Cecile → Radford Quarries of Boone, Inc. → Bamboo Road Quarry**

- 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

- **controller_controls_mine:** Raymond S  Cecile et al → Bamboo Road Quarry; 2004-07-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Radford Quarries of Boone, Inc. → Bamboo Road Quarry; 2004-08-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Raymond S  Cecile et al → Radford Quarries of Boone, Inc.; 2004-08-10 to current/open; source msha-controller-operator-history