# Relationship history for MSHA mine 3003838

Current hierarchy: **Harry  Triebe Jr; Theresa  Burnham → SONNY AND SONS STONE COMPANY LLC → LEE MOAT 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

- **operator_operates_mine:** Sonny and Sons Stone Company LLC → LEE MOAT QUARRY; 2012-03-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Harry  Triebe Jr et al → LEE MOAT QUARRY; 2012-03-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harry  Triebe Jr et al → Sonny and Sons Stone Company LLC; 2012-03-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Theresa  Burnham et al → Sonny and Sons Stone Company LLC; 2012-03-23 to current/open; source msha-controller-operator-history