# Relationship history for MSHA mine 0405417

Current hierarchy: **Olin  Jones; Gail  Jones → Jones Sand Company → DS-10**

- 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:** Gail  Jones et al → DS-10; 1999-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jones Sand Company → DS-10; 2000-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gail  Jones et al → Jones Sand Company; 2000-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Olin  Jones et al → Jones Sand Company; 2000-02-01 to current/open; source msha-controller-operator-history