# Relationship history for MSHA mine 3303829

Current hierarchy: **Steve  Schlabach → Holmes Redimix, Inc. → Holmes Redimix, 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:** Menuez Bros Sand & Gravel Inc → Holmes Redimix, Inc; 1980-07-01 to 2008-02-03; source msha-controller-operator-history
- **controller_controls_mine:** Joel A  Menuez → Holmes Redimix, Inc; 1980-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joel A  Menuez → Menuez Bros Sand & Gravel Inc; 1980-07-01 to 2008-02-03; source msha-controller-operator-history
- **operator_operates_mine:** Holmes Redimix, Inc. → Holmes Redimix, Inc; 2008-02-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Steve  Schlabach  et al → Holmes Redimix, Inc; 2008-02-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Schlabach  et al → Holmes Redimix, Inc.; 2008-02-04 to current/open; source msha-controller-operator-history