# Relationship history for MSHA mine 1601293

Current hierarchy: **Marvin D Bryant Jr → Sun Minerals, LLC → Sun Minerals, LLC**

- 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:** Texas Industries Inc → Sun Minerals, LLC; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Texas Industries → Sun Minerals, LLC; 1995-09-01 to 2005-03-14; source msha-controller-operator-history
- **controller_controls_operator:** Texas Industries Inc → Texas Industries; 1995-09-01 to 2005-03-14; source msha-controller-operator-history
- **controller_controls_mine:** Texas Industries Inc → Sun Minerals, LLC; 2004-12-01 to 2014-07-01; source msha-controller-operator-history
- **operator_operates_mine:** TXI Operations LP → Sun Minerals, LLC; 2005-03-15 to 2005-10-17; source msha-controller-operator-history
- **controller_controls_operator:** Texas Industries Inc → TXI Operations LP; 2005-03-15 to 2005-10-17; source msha-controller-operator-history
- **operator_operates_mine:** Sun Minerals LLC → Sun Minerals, LLC; 2005-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Marvin D Bryant Jr → Sun Minerals, LLC; 2005-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marvin D Bryant Jr → Sun Minerals LLC; 2005-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Martin Marietta Materials Inc → Sun Minerals, LLC; 2014-07-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Martin Marietta Materials Inc → TXI Operations LP; 2014-07-02 to 2005-10-17; source msha-controller-operator-history