# Relationship history for MSHA mine 1202276

Current hierarchy: **RR Holdco, Inc. → Rieth-Riley Mtrls-Div/Rieth-Riley Const Co Inc → Rieth-Riley Mtrls-Div/Rieth-Riley Const**

- 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:** Rieth-Riley Construction Company Inc → Rieth-Riley Mtrls-Div/Rieth-Riley Const; 1950-01-01 to 2025-01-30; source msha-controller-operator-history
- **operator_operates_mine:** Central Indiana Aggregates → Rieth-Riley Mtrls-Div/Rieth-Riley Const; 2000-03-01 to 2003-02-03; source msha-controller-operator-history
- **controller_controls_mine:** Cheryl L  Edwards → Rieth-Riley Mtrls-Div/Rieth-Riley Const; 2000-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cheryl L  Edwards → Central Indiana Aggregates; 2000-03-01 to 2003-02-03; source msha-controller-operator-history
- **operator_operates_mine:** Rieth-Riley Mtrls-Div/Rieth-Riley Const Co Inc → Rieth-Riley Mtrls-Div/Rieth-Riley Const; 2003-02-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rieth-Riley Construction Company Inc → Rieth-Riley Mtrls-Div/Rieth-Riley Const Co Inc; 2003-02-04 to 2025-01-30; source msha-controller-operator-history
- **controller_controls_mine:** RR Holdco, Inc. → Rieth-Riley Mtrls-Div/Rieth-Riley Const; 2025-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** RR Holdco, Inc. → Rieth-Riley Mtrls-Div/Rieth-Riley Const Co Inc; 2025-01-31 to current/open; source msha-controller-operator-history