# Relationship history for MSHA mine 4105314

Current hierarchy: **Adam  Jenschke → West Texas Aggregates LLC → Ingrham,**

- 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:** West Texas Aggregates LLC → Ingrham,; 2018-02-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Adam  Jenschke → Ingrham,; 2018-02-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Adam  Jenschke → West Texas Aggregates LLC; 2018-02-22 to current/open; source msha-controller-operator-history