# Relationship history for MSHA mine 4105143

Current hierarchy: **Johnny D  Leverett; Marion D  Carter → 3rd Cross Materials, LLC → 3rd Cross Materials, 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:** Kenneth  Lewis  et al → 3rd Cross Materials, LLC; 2013-07-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Venture Aggregates, LLC → 3rd Cross Materials, LLC; 2015-08-06 to 2018-08-07; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth  Lewis  et al → Venture Aggregates, LLC; 2015-08-06 to 2018-08-07; source msha-controller-operator-history
- **controller_controls_operator:** Carol  Lewis  et al → Venture Aggregates, LLC; 2015-08-06 to 2018-08-07; source msha-controller-operator-history
- **operator_operates_mine:** 3rd Cross Materials, LLC → 3rd Cross Materials, LLC; 2018-08-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Johnny D  Leverett et al → 3rd Cross Materials, LLC; 2018-08-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Johnny D  Leverett et al → 3rd Cross Materials, LLC; 2018-08-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marion D  Carter et al → 3rd Cross Materials, LLC; 2018-08-08 to current/open; source msha-controller-operator-history