# Relationship history for MSHA mine 0405846

Current hierarchy: **Earl J  Rogers → San Joaquin County Aggregates → Waverly**

- 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:** CMAT Mobile  Crushing → Waverly; 2012-05-25 to 2013-04-16; source msha-controller-operator-history
- **controller_controls_mine:** Earl J  Rogers → Waverly; 2012-05-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Earl J  Rogers → CMAT Mobile  Crushing; 2012-05-25 to 2013-04-16; source msha-controller-operator-history
- **operator_operates_mine:** CMAT Mobile  Crushing, Inc. → Waverly; 2013-04-17 to 2025-05-29; source msha-controller-operator-history
- **controller_controls_mine:** Earl J  Rogers → Waverly; 2013-04-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Earl J  Rogers → CMAT Mobile  Crushing, Inc.; 2013-04-17 to 2025-05-29; source msha-controller-operator-history
- **operator_operates_mine:** San Joaquin County Aggregates → Waverly; 2025-05-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Earl J  Rogers → Waverly; 2025-05-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Earl J  Rogers → San Joaquin County Aggregates; 2025-05-30 to current/open; source msha-controller-operator-history