# Relationship history for MSHA mine 4406995

Current hierarchy: **Donna Tharpe  Crews → James & Company, LLC → WATKINS BRIDGE**

- 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:** J R Tharpe Trucking Inc → WATKINS BRIDGE; 2000-06-01 to 2022-06-30; source msha-controller-operator-history
- **controller_controls_mine:** James R  Tharpe et al → WATKINS BRIDGE; 2000-06-01 to 2019-10-05; source msha-controller-operator-history
- **controller_controls_operator:** James R  Tharpe et al → J R Tharpe Trucking Inc; 2000-06-01 to 2019-10-05; source msha-controller-operator-history
- **controller_controls_mine:** Donna T  Crews et al → WATKINS BRIDGE; 2019-10-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donna T  Crews et al → J R Tharpe Trucking Inc; 2019-10-06 to 2022-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Timothy R  Tharpe et al → J R Tharpe Trucking Inc; 2019-10-06 to 2022-06-30; source msha-controller-operator-history
- **operator_operates_mine:** James & Company, LLC → WATKINS BRIDGE; 2022-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Donna Tharpe  Crews → WATKINS BRIDGE; 2022-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donna Tharpe  Crews → James & Company, LLC; 2022-07-01 to current/open; source msha-controller-operator-history