# Relationship history for MSHA mine 0203049

Current hierarchy: **DBJ Enterprises LLC; Arms Length Investors LLC → Arizona Materials LLC → Plant #2 - Queen Creek**

- 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:** Arms Length Investors LLC  et al → Plant #2 - Queen Creek; 2004-02-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Arizona Materials LLC → Plant #2 - Queen Creek; 2004-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arms Length Investors LLC  et al → Arizona Materials LLC; 2004-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** DBJ Enterprises LLC  et al → Arizona Materials LLC; 2004-06-04 to current/open; source msha-controller-operator-history