# Relationship history for MSHA mine 1514646

Current hierarchy: **Jack  Fannin → Jamboree Coals Inc → Alma No 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Dotson Jerry → Alma No 1; 1982-03-18 to 1984-09-10; source msha-controller-operator-history
- **operator_operates_mine:** Dotson Enterprises Inc → Alma No 1; 1984-06-01 to 1984-06-18; source msha-controller-operator-history
- **controller_controls_operator:** Dotson Jerry → Dotson Enterprises Inc; 1984-06-01 to 1984-06-18; source msha-controller-operator-history
- **operator_operates_mine:** Lockhart Mining Company → Alma No 1; 1984-06-19 to 1985-04-01; source msha-controller-operator-history
- **controller_controls_mine:** Lockhart Danny → Alma No 1; 1984-06-19 to 1985-04-01; source msha-controller-operator-history
- **controller_controls_operator:** Lockhart Danny → Lockhart Mining Company; 1984-06-19 to 1985-04-01; source msha-controller-operator-history
- **operator_operates_mine:** Jamboree Coals Inc → Alma No 1; 1985-04-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jack  Fannin et al → Alma No 1; 1985-04-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jack  Fannin et al → Jamboree Coals Inc; 1985-04-02 to current/open; source msha-controller-operator-history