# Relationship history for MSHA mine 3402088

Current hierarchy: **Casey B Hindman → Burbank Materials LLC → Burbank Materials LLC**

- 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

- **operator_operates_mine:** Burbank Materials LLP → Burbank Materials LLC; 2009-07-08 to 2023-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Casey B  Hindman  et al → Burbank Materials LLC; 2009-07-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Casey B  Hindman  et al → Burbank Materials LLP; 2009-07-08 to 2023-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Burbank Materials LLC → Burbank Materials LLC; 2024-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Casey B Hindman → Burbank Materials LLC; 2024-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Casey B Hindman → Burbank Materials LLC; 2024-01-01 to current/open; source msha-controller-operator-history