# Relationship history for MSHA mine 0203352

Current hierarchy: **Dina  Bates; Jordan  Floyd; Matt  Bates → The Gravel Pit → The Gravel 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** The Gravel Pit → The Gravel Pit; 2015-05-05 to 2023-12-28; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Sherrill Jr et al → The Gravel Pit; 2015-05-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Sherrill Jr et al → The Gravel Pit; 2015-05-05 to 2023-12-28; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Sherrill et al → The Gravel Pit; 2015-05-05 to 2023-12-28; source msha-controller-operator-history
- **operator_operates_mine:** The Gravel Pit → The Gravel Pit; 2023-12-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dina  Bates et al → The Gravel Pit; 2023-12-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dina  Bates et al → The Gravel Pit; 2023-12-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matt  Bates et al → The Gravel Pit; 2023-12-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jordan  Floyd et al → The Gravel Pit; 2023-12-29 to current/open; source msha-controller-operator-history