# Relationship history for MSHA mine 2103830

Current hierarchy: **Joelynne N  Hanson → HANSON CUSTOM CRUSHING, INC. → FREEDOM 4**

- 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:** Joelynne N  Hanson et al → FREEDOM 4; 2008-07-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** HANSON CUSTOM CRUSHING, INC. → FREEDOM 4; 2014-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joelynne N  Hanson et al → HANSON CUSTOM CRUSHING, INC.; 2014-06-06 to current/open; source msha-controller-operator-history
