# Relationship history for MSHA mine 3102264

Current hierarchy: **Shelly  Bell; Vera  Bradsher → R. L. Bradsher Contracting, Inc. → Spout Springs Pit**

- 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:** R. L. Bradsher Contracting, Inc. → Spout Springs Pit; 2011-04-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Vera W  Bradsher et al → Spout Springs Pit; 2011-04-26 to 2021-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Vera W  Bradsher et al → R. L. Bradsher Contracting, Inc.; 2011-04-26 to 2021-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Robert L  Bradsher et al → R. L. Bradsher Contracting, Inc.; 2011-04-26 to 2021-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Robert L. Bradsher Family Trust → Spout Springs Pit; 2021-10-01 to 2024-07-14; source msha-controller-operator-history
- **controller_controls_operator:** Robert L. Bradsher Family Trust → R. L. Bradsher Contracting, Inc.; 2021-10-01 to 2024-07-14; source msha-controller-operator-history
- **controller_controls_mine:** Shelly  Bell et al → Spout Springs Pit; 2024-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shelly  Bell et al → R. L. Bradsher Contracting, Inc.; 2024-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vera  Bradsher et al → R. L. Bradsher Contracting, Inc.; 2024-07-15 to current/open; source msha-controller-operator-history