# Relationship history for MSHA mine 2103380

Current hierarchy: **Darin E.A.  Hanks → Darin Hanks Trucking & Excavating LLC → Dave Ton 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:** Don Hanks Const. → Dave Ton Pit; 2003-08-12 to 2021-05-23; source msha-controller-operator-history
- **controller_controls_mine:** Don  Hanks → Dave Ton Pit; 2003-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Don  Hanks → Don Hanks Const.; 2003-08-12 to 2021-05-23; source msha-controller-operator-history
- **operator_operates_mine:** Darin Hanks Trucking & Excavating LLC → Dave Ton Pit; 2021-05-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Darin E.A.  Hanks → Dave Ton Pit; 2021-05-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Darin E.A.  Hanks → Darin Hanks Trucking & Excavating LLC; 2021-05-24 to current/open; source msha-controller-operator-history