# Relationship history for MSHA mine 2302356

Current hierarchy: **MFC Industrial LTD; Alberici Group Inc → Pea Ridge Resources → Pea Ridge Resources**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Pea Ridge Resources → Pea Ridge Resources; 2007-02-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James C  Kennedy → Pea Ridge Resources; 2007-02-21 to 2012-01-03; source msha-controller-operator-history
- **controller_controls_operator:** James C  Kennedy → Pea Ridge Resources; 2007-02-21 to 2012-01-03; source msha-controller-operator-history
- **controller_controls_mine:** Alberici Group Inc et al → Pea Ridge Resources; 2012-01-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alberici Group Inc et al → Pea Ridge Resources; 2012-01-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** MFC Industrial LTD et al → Pea Ridge Resources; 2012-01-04 to current/open; source msha-controller-operator-history