# Relationship history for MSHA mine 3800746

Current hierarchy: **Jason C  Deck → Americon Materials → Pacolet River 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

- **controller_controls_mine:** Jason C  Deck → Pacolet River Pit; 2013-06-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Americon Materials → Pacolet River Pit; 2017-02-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason C  Deck → Americon Materials; 2017-02-15 to current/open; source msha-controller-operator-history