# Relationship history for MSHA mine 1401799

Current hierarchy: **Curtis  Capoun → CX Construction → Capoun/Arand Quarry**

- 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:** CX Construction → Capoun/Arand Quarry; 2019-02-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Curtis  Capoun → Capoun/Arand Quarry; 2019-02-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Curtis  Capoun → CX Construction; 2019-02-15 to current/open; source msha-controller-operator-history