# Relationship history for MSHA mine 1201944

Current hierarchy: **James J  Kocian → Kyind Inc → Kentuckiana**

- 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:** Kentuckiana Investment Partners → Kentuckiana; 1984-06-01 to 1986-02-20; source msha-controller-operator-history
- **controller_controls_mine:** Ikerd Frank Jr-Jim Wilson Et Al → Kentuckiana; 1984-06-01 to 1986-02-20; source msha-controller-operator-history
- **controller_controls_operator:** Ikerd Frank Jr-Jim Wilson Et Al → Kentuckiana Investment Partners; 1984-06-01 to 1986-02-20; source msha-controller-operator-history
- **operator_operates_mine:** Kyind Inc → Kentuckiana; 1986-02-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James J  Kocian et al → Kentuckiana; 1986-02-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James J  Kocian et al → Kyind Inc; 1986-02-21 to current/open; source msha-controller-operator-history