# Relationship history for MSHA mine 0901233

Current hierarchy: **Stanley C  Brooks; Bradley W  Lang → Tri-State Lime, LLC → Tri-State Lime, 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Tri-State Lime, LLC → Tri-State Lime, LLC; 2014-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Stanley C  Brooks et al → Tri-State Lime, LLC; 2014-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stanley C  Brooks et al → Tri-State Lime, LLC; 2014-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bradley W  Lang et al → Tri-State Lime, LLC; 2014-09-02 to current/open; source msha-controller-operator-history