# Relationship history for MSHA mine 0600728

Current hierarchy: **Charles W  Corson III → Nu Stone Mfg & Dist LLC → Arnio Mine**

- 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:** CPDK LLC → Arnio Mine; 2005-10-19 to 2021-04-22; source msha-controller-operator-history
- **controller_controls_mine:** Charlotte P  Kelley → Arnio Mine; 2005-10-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charlotte P  Kelley → CPDK LLC; 2005-10-19 to 2021-04-22; source msha-controller-operator-history
- **operator_operates_mine:** Nu Stone Mfg & Dist LLC → Arnio Mine; 2021-04-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Charles W Corson III et al → Arnio Mine; 2021-04-23 to 2023-04-10; source msha-controller-operator-history
- **controller_controls_operator:** Charles W Corson III et al → Nu Stone Mfg & Dist LLC; 2021-04-23 to 2023-04-10; source msha-controller-operator-history
- **controller_controls_operator:** Charles W Corson Jr. et al → Nu Stone Mfg & Dist LLC; 2021-04-23 to 2023-04-10; source msha-controller-operator-history
- **controller_controls_mine:** Charles W  Corson III → Arnio Mine; 2023-04-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles W  Corson III → Nu Stone Mfg & Dist LLC; 2023-04-11 to current/open; source msha-controller-operator-history