# Relationship history for MSHA mine 5400269

Current hierarchy: **Angel M  Rios; Manuel H  Rios → Mr Sun Ready Mix Inc → ARENA SOLAR, INC.**

- 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:** Jose A Jurado Ortiz → ARENA SOLAR, INC.; 1981-08-01 to 1995-12-09; source msha-controller-operator-history
- **controller_controls_mine:** Jose A  Jurado Ortiz → ARENA SOLAR, INC.; 1981-08-01 to 1995-12-09; source msha-controller-operator-history
- **controller_controls_operator:** Jose A  Jurado Ortiz → Jose A Jurado Ortiz; 1981-08-01 to 1995-12-09; source msha-controller-operator-history
- **operator_operates_mine:** Mr Sun Ready Mix Inc → ARENA SOLAR, INC.; 1995-12-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Angel M  Rios et al → ARENA SOLAR, INC.; 1995-12-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Angel M  Rios et al → Mr Sun Ready Mix Inc; 1995-12-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Manuel H  Rios et al → Mr Sun Ready Mix Inc; 1995-12-10 to current/open; source msha-controller-operator-history