# Relationship history for MSHA mine 2402684

Current hierarchy: **Jake  King → J & J EXCAVATING AND TRUCKING INC → J & J 1**

- 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 & J EXCAVATING AND TRUCKING INC → J & J 1; 2015-01-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John  King Jr → J & J 1; 2015-01-15 to 2020-09-28; source msha-controller-operator-history
- **controller_controls_operator:** John  King Jr → J & J EXCAVATING AND TRUCKING INC; 2015-01-15 to 2020-09-28; source msha-controller-operator-history
- **controller_controls_mine:** Jake  King → J & J 1; 2020-09-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jake  King → J & J EXCAVATING AND TRUCKING INC; 2020-09-29 to current/open; source msha-controller-operator-history