# Relationship history for MSHA mine 4105346

Current hierarchy: **Cayla  Holt; Jerrod  Holt → Holt Crushing → Holt #1**

- 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:** Holt Crushing → Holt #1; 2018-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jerrod  Holt et al → Holt #1; 2018-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerrod  Holt et al → Holt Crushing; 2018-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cayla  Holt et al → Holt Crushing; 2018-03-14 to current/open; source msha-controller-operator-history