# Relationship history for MSHA mine 3503540

Current hierarchy: **James T Matthews → La Pine Redi-Mix, Inc. → La Pine Redi-Mix, 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:** Lapine Redi Mix Inc. → La Pine Redi-Mix, Inc.; 2001-09-01 to 2004-08-01; source msha-controller-operator-history
- **controller_controls_mine:** Troy  Matthews → La Pine Redi-Mix, Inc.; 2001-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Troy  Matthews → Lapine Redi Mix Inc.; 2001-09-01 to 2004-08-01; source msha-controller-operator-history
- **operator_operates_mine:** T M Sand & Gravel LLC → La Pine Redi-Mix, Inc.; 2004-08-02 to 2007-04-01; source msha-controller-operator-history
- **controller_controls_mine:** Troy  Matthews → La Pine Redi-Mix, Inc.; 2004-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Troy  Matthews → T M Sand & Gravel LLC; 2004-08-02 to 2007-04-01; source msha-controller-operator-history
- **operator_operates_mine:** La Pine Redi-Mix, Inc. → La Pine Redi-Mix, Inc.; 2007-04-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cary C  Matthews → La Pine Redi-Mix, Inc.; 2007-04-02 to 2021-11-03; source msha-controller-operator-history
- **controller_controls_operator:** Cary C  Matthews → La Pine Redi-Mix, Inc.; 2007-04-02 to 2021-11-03; source msha-controller-operator-history
- **controller_controls_mine:** James T Matthews → La Pine Redi-Mix, Inc.; 2021-11-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James T Matthews → La Pine Redi-Mix, Inc.; 2021-11-04 to current/open; source msha-controller-operator-history