# Relationship history for MSHA mine 4703919

Current hierarchy: **Joshua  Joslin; Candice  Joslin → Superior Excavating & Concrete, LLC. → County H 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:** Superior Excavating and Concrete, LLC. → County H Pit; 2022-04-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joshua  Joslin et al → County H Pit; 2022-04-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joshua  Joslin et al → Superior Excavating and Concrete, LLC.; 2022-04-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Candice  Joslin et al → Superior Excavating and Concrete, LLC.; 2022-04-11 to current/open; source msha-controller-operator-history