# Relationship history for MSHA mine 3004038

Current hierarchy: **Duane P  Jones → DJ EXCAVATING → JONES 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:** DJ Excavating → JONES PIT; 2019-06-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Duane P  Jones → JONES PIT; 2019-06-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Duane P  Jones → DJ Excavating; 2019-06-08 to current/open; source msha-controller-operator-history