# Relationship history for MSHA mine 4102965

Current hierarchy: **Arcosa, Inc → Trinity Materials Inc → CLEBURNE BASE #299**

- 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:** Charlie M Phillips → CLEBURNE BASE #299; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Charlie Phillips Trucking Inc → CLEBURNE BASE #299; 1979-11-01 to 1989-01-02; source msha-controller-operator-history
- **controller_controls_operator:** Charlie M Phillips → Charlie Phillips Trucking Inc; 1979-11-01 to 1989-01-02; source msha-controller-operator-history
- **operator_operates_mine:** Brazos Base → CLEBURNE BASE #299; 1989-01-03 to 1995-11-26; source msha-controller-operator-history
- **controller_controls_mine:** Eagle Materials Inc → CLEBURNE BASE #299; 1989-01-03 to 1995-11-26; source msha-controller-operator-history
- **controller_controls_operator:** Eagle Materials Inc → Brazos Base; 1989-01-03 to 1995-11-26; source msha-controller-operator-history
- **controller_controls_mine:** Trinity Industries Inc → CLEBURNE BASE #299; 1991-12-01 to 2018-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Trinity Materials Inc → CLEBURNE BASE #299; 1995-11-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Trinity Industries Inc → Trinity Materials Inc; 1995-11-27 to 2018-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Arcosa, Inc → CLEBURNE BASE #299; 2018-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arcosa, Inc → Trinity Materials Inc; 2018-11-01 to current/open; source msha-controller-operator-history