# Relationship history for MSHA mine 3901489

Current hierarchy: **Lee R  Atteberry; Kurtis  Atteberry → Atteberry Construction Inc. → Inertia**

- 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:** Atteberry Construction Inc. → Inertia; 2004-02-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lucy L  Atteberry et al → Inertia; 2004-02-27 to 2021-12-09; source msha-controller-operator-history
- **controller_controls_operator:** Lucy L  Atteberry et al → Atteberry Construction Inc.; 2004-02-27 to 2021-12-09; source msha-controller-operator-history
- **controller_controls_operator:** Lee R  Atteberry et al → Atteberry Construction Inc.; 2004-02-27 to 2021-12-09; source msha-controller-operator-history
- **controller_controls_mine:** Lee R  Atteberry et al → Inertia; 2021-12-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lee R  Atteberry et al → Atteberry Construction Inc.; 2021-12-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kurtis  Atteberry et al → Atteberry Construction Inc.; 2021-12-10 to current/open; source msha-controller-operator-history